Need help? Ask the community or hire an expert.
Go to Avira Answers
Date discovered:24/05/2011
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:23.040 Bytes
MD5 checksum:a206760f21511e2907cc6cc31f146cf7
VDF version:
IVDF version:

 General Method of propagation:
   • No own spreading routine

   •  Kaspersky: Backdoor.Win32.IRCBot.tjl
   •  TrendMicro: TSPY_KAZY.YRS
   •  DrWeb: Trojan.DownLoader2.60493

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Server 2008

Side effects:
   • Drops files
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %WINDIR%\winlogon_%number%.exe

 Registry One of the following values is added in order to run the process after reboot:

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Microsoft Security Essentials"="%WINDIR%\winlogon_%number%.exe"

 Backdoor Contact server:
All of the following:
   • **********
   • **********

As a result it may send some information.

Sends information about:
    • Collected information described in stealing section

 Stealing It tries to steal the following information:
– Passwords typed into 'password input fields'

– A logging routine is started after the following website is visited, which contains one of the following substrings in the URL:

– It captures:
    • Login information

 Injection     All of the following processes:
   • digsby-app.exe
   • firefox.exe
   • iexplore.exe
   • msmsgs.exe
   • msnmsgr.exe
   • pidgin.exe
   • trillian.exe
   • wlcomm.exe

 Miscellaneous Mutex:
It creates the following Mutex:
   • zoyxtv3vwjtd

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Andrei Ilie on Friday, September 2, 2011
Description updated by Andrei Ilie on Monday, September 5, 2011

Back . . . .