Win32/Weleglot [Threat Name] go to Threat

Win32/Weleglot.H [Threat Variant Name]

Category trojan
Size 44544 B
Detection created Sep 18, 2014
Detection database version 10435
Aliases Backdoor.Win32.Hellsing.q (Kaspersky)
  Backdoor:Win32/Heling.A.gen!dha (Microsoft)
  Backdoor.Sinpid (Symantec)
Short description

The trojan serves as a backdoor. It can be controlled remotely. The file is run-time compressed using UPX .

Installation

When executed, the trojan copies itself into the following location:

  • %appdata%\­Microsoft\­MMC\­mmc.exe

In order to be executed on every system start, the trojan sets the following Registry entry:

  • [HKEY_CURRENT_USER\­Software\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "mmc" = "%appdata%\­Microsoft\­MMC\­mmc.exe"
Information stealing

The trojan collects the following information:

  • computer IP address
  • computer name
  • user name
  • operating system version
  • proxy server settings

The trojan attempts to send gathered information to a remote machine.

Other information

The trojan acquires data and commands from a remote computer or the Internet.


The trojan contains a URL address. The HTTP protocol is used.


It may perform the following actions:

  • download files from a remote computer and/or the Internet
  • upload files to a remote computer
  • uninstall itself
  • execute shell commands

The trojan may execute the following commands:

  • cmd.exe /c ping 127.0.0.1 -n 5& cmd. exe /c del /a /f "%malwarefilepath%"

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