Virus:TR/Dldr.Zlob.AT.18
Date discovered:16/08/2010
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:199.680 Bytes
MD5 checksum:895fd6a6c3cb2614ced6b8abe7ae9bef
IVDF version:7.10.10.203 - Tuesday, August 17, 2010

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Mcafee: Heuristic.BehavesLike.Win32.Suspicious.H
   •  F-Secure: Suspicious:W32/Malware!Gemini
   •  Sophos: Mal/FakeAV-CX
   •  Sunbelt: VirTool.Win32.Obfuscator.hg!b
   •  AhnLab: Trojan/Win32.FakeAV
   •  DrWeb: Trojan.DownLoader1.15964


Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Drops a file
   • Lowers security settings
   • Registry modification

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



It deletes the initially executed copy of itself.



The following file is created:

– %WINDIR%\Tasks\%CLSID%.job Furthermore it gets executed after it was fully created. File is a scheduled task that runs the malware at predefined times.

 Registry The following registry key is added:

– [HKCU\Software\%random character string%]


The following registry key is changed:

– [HKCU\Software\Microsoft\Internet Explorer\Main]
   New value:
   • "Disable Script Debugger"="yes"

Description inserted by Carlos Valero Llabata on Wednesday, August 18, 2010
Description updated by Carlos Valero Llabata on Wednesday, August 18, 2010

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