Virus:TR/Autorun.afj
Date discovered:27/08/2008
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:36.864 Bytes
MD5 checksum:1d43c3272a1fc3839bb120d1a2228bc5
IVDF version:7.00.06.81 - Wednesday, August 27, 2008

 General    • Mapped network drives


Aliases:
   •  Symantec: W32.SillyFDC
   •  Kaspersky: Trojan.Win32.Agent.ada
   •  F-Secure: Trojan.Win32.Agent.ada
   •  Sophos: W32/Autorun-BP
   •  Panda: W32/Music.I.worm
   •  VirusBuster: Trojan.Agent.DDLV
   •  Eset: Win32/VB.NIV worm
   •  Bitdefender: Trojan.Agent.ADA


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


Side effects:
   • Drops files
   • Drops malicious files

 Files The following files are created:

– Non malicious files:
   • %WINDIR%\backup.reg
   • %WINDIR%\runreg.bat

– %drive%\autorun.inf Further investigation pointed out that this file is malware, too. Detected as: TR/Autorun.OJ

– %drive%\music.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Autorun.JC

 Registry The following registry key is added in order to run the process after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "music"="C:\\music.exe"

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

Description inserted by Thomas Wegele on Thursday, August 28, 2008
Description updated by Thomas Wegele on Thursday, August 28, 2008

Back . . . .