Virus:TR/VB.aei
Date discovered:02/03/2007
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low
Static file:No
File size:~40.960 Bytes
IVDF version:6.37.01.186 - Friday, March 2, 2007

 General Method of propagation:
   • Mapped network drives


Aliases:
   •  Symantec: W32.SillyFDC
   •  Mcafee: W32/Pitin.worm virus
   •  Kaspersky: Virus.Win32.VB.dg
   •  F-Secure: Virus.Win32.VB.dg
   •  Sophos: W32/Baysur-B
   •  Panda: Trj/Yabarasu.A
   •  Grisoft: Worm/VB.ASG
   •  Eset: Win32/VB.DG virus
   •  Bitdefender: Trojan.Genlot.B


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %drive%\%all subdirectories% .scr



The following files are created:

– Non malicious files:
   • %malware execution directory%\Autoexec.bat
   • %drive%\Thumbs .db

– %drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

 Registry The following registry keys are added:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "LegalNoticeCaption"="%random character string% - Surabaya"
   • "LegalNoticeText"="Surabaya in my birthday Don't kill me, i'm just send message from your computer %random character string%"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\
   Folder\Hidden\NOHIDDEN]
   • "CheckedValue"=dword:00000002
   • "DefaultValue"=dword:00000002

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\
   Folder\Hidden\SHOWALL]
   • "CheckedValue"=dword:00000000
   • "DefaultValue"=dword:00000002

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\
   Folder\Hidden\SHOWALL]
   • "CheckedValue"=dword:00000000
   • "DefaultValue"=dword:00000002

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\
   Folder\HideFileExt]
   • "CheckedValue"=dword:00000001
   • "UncheckedValue"=dword:00000001
   • "DefaultValue"=dword:00000001

 File details Programming language:
 The malware program was written in Visual Basic.

Description inserted by Thomas Wegele on Tuesday, September 2, 2008
Description updated by Thomas Wegele on Tuesday, September 2, 2008

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