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Virus Profile: Generic Dropper!bei!1938a8cf8776

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 26/10/2009
Date Added: 26/10/2009
Origin: Unknown
Length: 81920
Type: Trojan
Subtype: -
DAT Required: 5783
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Indication of Infection

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

   

Virus Characteristics

File PropertyProperty Value
FileNamevirus.exe
McAfee ArtemisArtemis!1938a8cf8776
McAfee DetectionGeneric Dropper!bei
Length81,920 bytes
CRC2581E782
MD51938A8CF8776A85C5E5BF2A6F317688B
SHA17584F6A761F8B799EB1913736FDA31D65284B76D

Other Common Detection Aliases

Company NameDetection Name
avastWin32:Malware-gen
AviraTR/Drop.Agent.AP
Dr.WebBackDoor.IRC.Sdbot.4889
Eseta variant of Win32/Injector.AEH
FortiNetW32/VB.AD!tr
KasperskyTrojan-Dropper.Win32.VB.mwb
SophosMal/VB-AD
SymantecW32.SillyFDC

Avert® Labs has observed the following system activities:

ActivityRisk Level
Modifies memory of other processes
Critical
Enumerates running processes
Medium

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files were analyzed:

  • %USERPROFILE%\local settings\temp\virus.exe
  • The following files have been added to the system:

  • c:\restore\s-1-5-21-1482476501-1644491937-682003330-1013
  • c:\restore\s-1-5-21-1482476501-1644491937-682003330-1013\desktop.ini
  • c:\restore\s-1-5-21-1482476501-1644491937-682003330-1013\taquito.exe
  • The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\active setup\installed components\{28abc5c0-4fcb-33cf-aax5-35gx1c642122}\
    • stubpath = c:\restore\s-1-5-21-1482476501-1644491937-682003330-1013
      \taquito.exe
  • The applications created the following network connection(s):

  • *******************:51987 (irc)
    • PASS Virus NICK VirUs-dtdifc
    • PASS Virus NICK VirUs-dtdifc USER oqeyli "" "wqk" :oqeyli
  •    
    AVERT recommends to always use latest DATs and engine. This threat will be cleaned if you have this combination.

    Additional Windows ME/XP removal considerations

       

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