Win32/Ridnu [Threat Name] go to Threat

Win32/Ridnu.NAA [Threat Variant Name]

Category worm
Size 138360 B
Detection created Feb 23, 2007
Detection database version 2078
Aliases Email-Worm.Win32.Ridnu.f (Kaspersky)
  W32/Ridnu (McAfee)
  W32.Ridnu.B (Symantec)
Short description

Win32/Ridnu.NAA is a worm that spreads via e-mail. The worm may terminate specific running processes. The file is run-time compressed using tElock .

Installation

When executed the worm copies itself in the following locations:

  • %drive%\­Mr_CoolFace.scr
  • %drive%\­Mr_CF\­Mr_CF.exe
  • %system%\­%variable%.exe
  • %system%\­Mr_CoolFace.scr
  • %system%\­msvbvm60.dll
  • %windir%\­Negeri Serumpun Sebalai .pif .bat .com .scr .exe
  • %userprofile%\­Local Settings\­Temp\­inf4D2.tmp
  • %userprofile%\­Local Settings\­DNALSI_AKGNAB.exe
  • %userprofile%\­Local Settings\­DNALSI_AKGNAB.exe.mutant
  • %userprofile%\­Local Settings\­Mr_CF_Mutation.Excalibur
  • %userprofile%\­Desktop\­Message For My Princess.txt
  • %userprofile%\­Desktop\­Message For My Princess.scr
  • %userprofile%\­Application Data\­explorer.exe
  • %userprofile%\­Application Data\­Mr_CoolFace.exe
  • %userprofile%\­Application Data\­SMA Negeri 1 Pangkalpinang.exe
  • %userprofile%\­Start Menu\­Programs\­Startup\­winlogon.exe
  • C:\­explorer.exe

%variable% represents a random text.


The worm creates the following files:

  • C:\­Mutant.htm
  • %userprofile%\­Application Data\­Mr_CF\­Folder.htt
  • %userprofile%\­Application Data\­Mr_CF\­Desktop.ini
  • %userprofile%\­Local Settings\­Application Data\­Polymorph1.exe
  • %userprofile%\­Local Settings\­Application Data\­Polymorph2.exe
  • %userprofile%\­Application Data\­Autorun.inf

The worm may create copies of itself using the following filenames:

  • %allusersprofile%\­Documents\­Pantai Pasir Padi.scr
  • %allusersprofile%\­Documents\­Bangka Island.scr
  • %allusersprofile%\­Documents\­Pangkalpinang.scr
  • %allusersprofile%\­Documents\­Pantai Parai.scr
  • %allusersprofile%\­Documents\­Tanjung Pesona.scr
  • %allusersprofile%\­Documents\­Lapangan Merdeka.scr
  • %allusersprofile%\­Documents\­Sahang dan Timah.scr

The worm randomly inserts a copy of itself or text strings into the following files:

  • %userprofile%\­Application Data\­Mutant.exe
  • %userprofile%\­Application Data\­Sahang.exe
  • %userprofile%\­Application Data\­Timah.exe

In order to be executed on every system start, the worm sets the following Registry entries:

  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Winlogon]
    • "Userinit" = "%system%\­userinit.exe, C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Winlogon]
    • "Shell" = "explorer.exe C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "%name%" = "%variable%.exe"

%name%, %variable% represent random text.


The following Registry entries are set:

  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­Hidden\­NOHIDDEN]
    • "CheckedValue" = 2
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­Hidden\­NOHIDDEN]
    • "DefaultValue" = 2
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­Hidden\­SHOWALL]
    • "CheckedValue" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­Hidden\­SHOWALL]
    • "DefaultValue" = 2
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­HideFileExt]
    • "CheckedValue" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­HideFileExt]
    • "DefaultValue" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­SuperHidden]
    • "CheckedValue" = 0
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­SuperHidden]
    • "DefaultValue" = 0
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced\­Folder\­SuperHidden]
    • "UncheckedValue" = 0
  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced]
    • "Hidden" = 2
  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Explorer\­Advanced]
    • "HideFileExt" = 1
  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Explorer\­CabinetState]
    • "FullPath" = 1
  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Explorer\­CabinetState]
    • "FullPathAddress" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Policies\­Microsoft\­Windows NT\­SystemRestore]
    • "DisableConfig" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Policies\­Microsoft\­Windows NT\­SystemRestore]
    • "DisableSR" = 1
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Classes\­exefile]
    • "(Default)" = "File Folder"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Classes\­scrfile]
    • "(Default)" = "File Folder"
  • [HKEY_CURRENT_USER\­Control Panel\­Desktop]
    • "SCRNSAVE.EXE" = "MR_COO~1.SCR"
  • [HKEY_CURRENT_USER\­Control Panel\­Desktop]
    • "ScreenSaverIsSecure" = 0
  • [HKEY_CURRENT_USER\­Control Panel\­Desktop]
    • "ScreenSaveTimeOut" = 60
  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Internet Explorer\­Main]
    • "Start Page" = "C:\­Mutant.htm"
  • [HKEY_LOCAL_MACHINE\­SYSTEM\­CurrentControlSet\­Control\­SafeBoot]
    • "AlternateShell" = "C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SYSTEM\­ControlSet001\­Control\­SafeBoot]
    • "AlternateShell" = "C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SYSTEM\­ControlSet002\­Control\­SafeBoot]
    • "AlternateShell" = "C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SYSTEM\­ControlSet003\­Control\­SafeBoot]
    • "AlternateShell" = "C:\­explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­spider.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­cmd.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­msconfig.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nip.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Zlh.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Zanda.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nvcsched.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nipsvc.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Njeeves.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nvcoas.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­CClaw.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nvcod.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Nvccf.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­Niu.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­PCMAV.EXE]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­URemovalCRC32.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­winamp.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­taskkill.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­tasklist.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­ANSAV32.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­ANSAV.exe]
    • "Debugger" = "C:\­Explorer.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­ccapp.exe]
    • "Debugger" = "C:\­Explorer.exe"
Spreading

The worm copies itself into the root folders of fixed and/or removable drives using the following names:

  • %drive%\­Mr_CoolFace.scr
  • %drive%\­Mr_CF\­Mr_CF.exe
  • %drive%\­Beautiful Lady.scr

The worm creates the following files:

  • %drive%\­Autorun.inf
  • %drive%\­Mr_CF\­Folder.htt

The worm searches local drives for files with the following file extensions:

  • .Exe
  • .exe
  • .scr
  • .PNG
  • .png
  • .SWF
  • .swf
  • .GIF
  • .gif
  • .BMP
  • .bmp
  • .PDF
  • .pdf
  • .BAT
  • .bat
  • .INF
  • .inf
  • .TXT
  • .txt
  • .RAR
  • .rar
  • .ZIP
  • .zip
  • .MDB
  • .mdb
  • .XLS
  • .xls
  • .PPT
  • .ppt
  • .HTML
  • .html
  • .HTM
  • .htm
  • .Avi
  • .AVI
  • .avi
  • .3Gp
  • .3GP
  • .3gp
  • .Mpg
  • .MPG
  • .mpg
  • .MIDI
  • .Midi
  • .midi
  • .Wmv
  • .WMV
  • .wmv
  • .Wma
  • .WMA
  • .wma
  • .Mp4
  • .MP4
  • .mp4
  • .Mp3
  • .MP3
  • .mp3
  • .Mid
  • .MID
  • .mid
  • .Doc
  • .DOC
  • .doc
  • .Mov
  • .MOV
  • mov
  • .Jpeg
  • .JPEG
  • .jpeg
  • .Rtf
  • .RTF
  • .rtf
  • .Jpg
  • .JPG
  • .jpg

When the worm finds a file matching the search criteria, it creates a new copy of itself.


The name of the new file is based on the name of the file found in the search.


The extension of the file is ".scr" .

Spreading via e-mail

The worm gathers e-mail addresses for further spreading from the e-mails stored locally.


Subject of the message is one of the following:

  • Ketika Rindu bertemu Kangen
  • Lama Tak Jumpa
  • Ketika Kangen bertemu Rindu
  • I miss U
  • Still Remember???
  • Please Remember Me.
  • I Miss You So Much !
  • Shall I Be The One For You ?
  • Don't Forget Me,please!
  • Remember Our Past?
  • Rindu Yang Tak Tertahankan
  • Please Come Back!
  • I don't wish to lost you again!
  • Malarindu Tropikangen
  • Re:

Body of the message is one of the following:

I wanna be you friend. So I give you a little present ^_^ Ehm,....would you like to be my friend ? Please check, tell me if you like it ^_^. Will I meet You my old friend... I miss You, I give you a file that will remind you... Dear My Sweetie.. Here is the file, Thank you for your friendship. Please, don't forget me...Ok! Take a look at the attacment, you will remember me. I am missing you, please come back... I give you the proof that I miss you so much! Shall I be the one for you? Still remember me ??? Do you remember me? Here, the file that you want Finally, I found the data !, what do you think ?? Sorry, I forget to send you the document. I'm oversleep. Please check, told me if there's a mistake. Take this, please tell me if there's an error. Dear My Friend.. Here is the file, Thank you for your cooperative.

The attachment is an executable of the worm.


Its filename is one of the following:

  • Rindu dan Kangen bersatu.txt                                                                                            .pif
  • Kangen dan Rindu bersatu.tmp                                                                                            .pif
  • SweetMemory.doc                                                                                   .pif
  • Friend Reminder.doc                                                                                    .exe
  • www.lovestory.com
  • MyMind.doc                                                                                            .pif
  • CuteGame3.0 Installer.com
  • LoveGame.bmp                                                                                           .exe
  • My_Beloved.doc                                                                                     .exe
  • Love_U_So_Much.txt                                                                                    .pif
  • Our_Memory.ppt                                                                                     .pif
  • I_Miss_U.doc                                                                                        .pif
  • Rindu.doc                                                                                             .exe
  • Kenangan Cinta.doc                                                                                  .pif
  • Beauty ScreenSaver.scr
  • Keygen.exe
  • Data.doc                                                                                        .pif
  • Tutorial.ppt                                                                                     .pif
  • Crack.exe
  • Mahasiswi Cantik.scr
  • MindMap.exe
  • NetMeeting.com
  • Namo7.0_Installer.com
  • www.Hacking_Tool.bat
Other information

The worm blocks keyboard and mouse input.


If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • Notepad
  • NOTEPAD
  • UNTITLED

the worm worm changes the window title to:

  • Message For My Princess

The worm may insert any of the following text strings into edit controls of the running process:

  • DEAR MY PRINCESS
  • WHEN THE STARS FILL THE SKY   I WILL MEET YOU MY LOVELY PRINCESS
  • I MISS YOU SO MUCH MY PRINCESS
  • IN MY DEAREST MEMORY  I SEE YOU REACHING OUT TO ME
  • I WILL REMEMBER YOU AS LONG AS YOU REMEMBER ME
  • IN YOUR DEAREST MEMORY  DO YOU REMEMBER LOVING ME
  • PLEASE DO NOT FORGET OUR PAST
  • DID YOU KNOW THAT I HAD MIND ON YOU
  • I NEVER WISH TO LOSE YOU AGAIN
  • SHALL I BE THE ONE FOR YOU
  • I WANNA TAKE YOU TO MY PALACE
  • I WILL TAKE YOU TO OUR UTOPIA
  • I AM FALLING IN LOVE WITH YOU
  • I WILL BE WAITING FOR YOU
  • I DO NOT WANT TO SAY GOOD BYE TO YOU
  • PLEASE DO NOT FORGET YOUR PRINCE
  • I SAW YOU SMILING AT ME  WAS IT REAL OR JUST MY FANTASY
  • YOU WILL ALWAYS IN MY HEART
  • YOU ALWAYS IN MY DREAMS
  • I ALWAYS SEE YOU IN MY DREAMS
  • I HAVE BEEN POISONED BY YOUR LOVE
  • I MISS YOU  I AM STILL LOOKING FOR YOU
  • I WILL BE THERE  I WILL BE WAITING FOR YOU
  • PLEASE COME BACK TO OUR BEAUTY ISLAND
  • I MISS YOUR CUTE SMILE

If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • MY DOCUMENTS
  • FREECELL
  • HEARTS
  • MINESWEEPER
  • PINBALL
  • SOLITAIRE

the worm worm changes the window title to:

  • Mr_CoolFace

If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • COPYING..

the worm worm changes the window title to:

  • Sedang Mengopy...

If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • MOVING..

the worm worm changes the window title to:

  • Sedang Memindahkan...

If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • DELETING..

the worm worm changes the window title to:

  • Sedang Menghapus...

If the worm worm finds a window of a running process which contains any of the following strings in its title:

  • RUN
  • CREATE NEW TASK

the worm worm changes the window title to:

  • Mr_CoolFace Has Come !

The worm may insert any of the following text strings into edit controls of the running process:

  • MR COOLFACE !

The worm terminates any program that creates a window containing any of the following strings in its name:

  • ANTI
  • VIRUS
  • SPIDER
  • VIROLOG
  • TROJAN
  • WORM
  • MALWARE
  • TWEAK
  • POWERDVD
  • HIJACK
  • SECURITY TASK
  • PCMAV
  • HACKER
  • VAKSIN
  • NORMAN
  • NVC
  • ZANDA
  • MCAFEE
  • AVG
  • AVP
  • EXTENSION TEST
  • RESULT DETAIL
  • SCANNING STATISTIC
  • KASPERSKY
  • SYMANTEC
  • TREND
  • SECUNIA
  • REGISTRY
  • OPTIX PRO
  • FORCE
  • PANDA
  • F-SECURE
  • SOPHOS
  • CASTLECOP
  • QKILL
  • COMPACTBYTE
  • EARTHLINK PROTECTION
  • ERTANTO
  • YOHAN
  • WASHER
  • NORTON
  • PROCEXP
  • MMC
  • GRISOFT
  • REGCURE
  • AVAS
  • CILIN
  • MACHINE
  • REMOVER
  • REMOVI
  • REMOVA
  • ABLE
  • SPYWARE
  • BITDEF
  • CLEANER
  • REALPLAYER
  • JAMILA
  • PROCESS VIEWER
  • PROCESS EXPLORER
  • SYSINTERNAL
  • IKNOW
  • I KNOW
  • TASK MANAGER
  • TASKMANAGER
  • TASKS MANAGER
  • TASKGUARDIAN
  • SPY
  • MIGHTY CHICKEN
  • MIGHTYCHICKEN
  • WINPATROL
  • WAV V
  • POWERTOOL
  • POWER TOOL
  • TASK
  • PROCESS MANAGER
  • PROCESSMANAGER
  • WINTASK
  • WIN TASK
  • LUKE FILEWALKER
  • ANVIR
  • AVIRA
  • TASKINFO
  • TASK INFO
  • PROCESSMONITOR
  • PROCESS MONITOR
  • PROCESSINFO
  • PROCESS INFO
  • CURRPROCESS
  • CURR PROCESS
  • PCSUMMARIZER
  • CHRIS PC
  • NOTESXP
  • STARTUP ORGANIZER
  • SIKUP
  • REGFIX
  • REG FIX
  • FLAMMING WALL
  • AD-AWARE
  • BLACKICE
  • POP3TRAP
  • COMMAND BRO
  • BACA BRO
  • ZXI
  • ZX1
  • ZX I
  • ZX 1
  • ZX_I
  • ZX_1
  • GEOBLACK
  • IDIOT
  • IDI0T
  • PUSHM
  • PUSH M
  • PUSH_M
  • ADHIE
  • MACAN
  • AD HIE
  • AD_HIE
  • EVANTA
  • FAJAR
  • CUEX
  • JOWOBOT
  • HELLSPAWN
  • PLUTO
  • BLUESCREEN
  • RORO
  • XNADROS
  • X4NDR05
  • DEWA
  • MUSIC
  • MUSIK
  • RHAPSODY
  • MP3
  • MP 3
  • SONG
  • SING
  • MEDIA PLAYER
  • WINAMP
  • RTLRACK
  • PINNACLE
  • TUNE
  • DR.WEB
  • I*N
  • FOLDER OPTION
  • SEARCH RESULTS
  • CONFIGURATION UTILITY
  • CabinetW
  • rellikitlMultikiller
  • Multikiller
  • Multikiller2
  • Registry Editor
  • System Configuration Utility
  • System Restore
  • Process Viewer
  • Process Explorer
  • Zanda's little helper
  • CBAV
  • PROCEXPL
  • PrcView
  • TSystemCleaner
  • TMainF
  • TmainF
  • TForm1
  • CurrProcess
  • Warecase
  • AnVir
  • TShowSplash
  • ConsoleW
  • RegEdit
  • ANVIE

The worm terminates processes with any of the following strings in the name:

  • client008.exe

The worm may set the following Registry entries:

  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­freecell.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­freecel.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­mshearts.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­msheart.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­notepad.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­N0TEPAD.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­winmine.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­w1nm1ne.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­calc.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­kalkulator.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­taskmgr.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­tskmgr.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­regedit.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­reged1t.exe"
  • [HKEY_LOCAL_MACHINE\­SOFTWARE\­Microsoft\­Windows NT\­CurrentVersion\­Image File Execution Options\­sol.exe]
    • "Debugger" = "C:\­Program Files\­Common Files\­kartu.exe"
  • [HKEY_LOCAL_MACHINE\­Software\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "Append____________Nempel_Serv1ce" = "explorer.exe"
  • [HKEY_LOCAL_MACHINE\­Software\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "Kata_Sambutan" = "Mr_CoolFace_Datang_Lagi"
  • [HKEY_CURRENT_USER\­Identities\­{%?%}\­Software\­Microsoft\­Outlook Express\­5.0\­Mail]
    • "Warn on Mapi Send" = 0

A string with variable content is used instead of %?% .


The following file is deleted:

  • C:\­Program Files\­Common Files\­Mutation.bat

The worm may create copies of the following files (source, destination):

  • %system32%\­cmd.exe, C:\­Program Files\­Common Files\­_cmd.exe
  • %system32%\­freecell.exe, C:\­Program Files\­Common Files\­freecel.exe
  • %system32%\­mshearts.exe, C:\­Program Files\­Common Files\­msheart.exe
  • %system32%\­notepad.exe, C:\­Program Files\­Common Files\­N0TEPAD.exe
  • %system32%\­winmine.exe, C:\­Program Files\­Common Files\­w1nm1ne.exe
  • %system32%\­calc.exe, C:\­Program Files\­Common Files\­kalkulator.exe
  • %system32%\­taskmgr.exe, C:\­Program Files\­Common Files\­tskmgr.exe
  • %system32%\­sol.exe, C:\­Program Files\­Common Files\­kartu.exe
  • %system32%\­spider.exe, C:\­Program Files\­Common Files\­Laba_Laba.exe
  • %windir%\­pchealth\­helpctr\­binaries\­msconfig.exe, C:\­Program Files\­Common Files\­msconf1g.exe
  • %windir%\­regedit.exe, C:\­Program Files\­Common Files\­reged1t.exe

The worm may replace these files with a copy of itself.


The worm may display a dialog box with the title:

  • Mr_CoolFace Mohon Maaf Lahir Dan Batin

The dialog box contains the following text:

  • Please Pardon Me Ya !

The worm may open the CD/DVD drive.

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