Win32/TrojanDownloader.Knigsfot [Threat Name] go to Threat

Win32/TrojanDownloader.Knigsfot.AA [Threat Variant Name]

Category trojan
Size 817502 B
Detection created Jun 16, 2011
Detection database version 6215
Aliases Trojan-Banker.Win32.Banker.smcb (Kaspersky)
  Trojan:Win32/Startpage.AFZ (Microsoft)
  Generic.StartPage!b2f.trojan (McAfee)
Short description

Win32/TrojanDownloader.Knigsfot.AA is a trojan which tries to promote certain web sites.

Installation

The trojan does not create any copies of itself.


The following Registry entry is set:

  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Internet Explorer\­New Windows\­Allow]
    • "*.v258.net" = "0"

The trojan creates the following files:

  • %programfiles%\­kingsoft\­KSWebShield.dll
  • %programfiles%\­kingsoft\­KSWebShield.exe
  • %programfiles%\­kingsoft\­kwssp.dll
  • %programfiles%\­kingsoft\­kwsui.dll
  • %programfiles%\­ico\­Beauty.ico
  • %programfiles%\­ico\­Film.ico
  • %programfiles%\­ico\­Manhua.ico
  • %programfiles%\­ico\­Meiv.ico
  • %programfiles%\­ico\­safe.ico
  • %programfiles%\­ico\­Video.ico
  • %desktop%\­%variable%

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

Other information

Win32/TrojanDownloader.Knigsfot.AA is a trojan which tries to promote certain web sites.


The trojan changes the home page of the following web browsers:

  • Maxthon
  • Mozilla Firefox
  • Sogou Explorer
  • Tencent Traveller
  • TheWorld Browser

The user may be redirected to one of the following Internet web sites:

  • http://www.828i.com

The trojan runs the default Internet browser.


The trojan contains a list of (10) URLs.


It tries to download several files from the addresses.


The files are then executed.

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