Virus:TR/PSW.Zbot.130048.Y
Date discovered:26/07/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:130.048 Bytes
MD5 checksum:76ba1597213193e30F7ada118a74551e
IVDF version:7.10.09.219 - Monday, July 26, 2010

 General Method of propagation:
   • No own spreading routine


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


Side effects:
   • Drops a malicious file
   • Registry modification

 Files The following files are created:

– Non malicious files:
   • %APPDATA%\%random character string%\%random character string%.tmp
   • %APPDATA%\%random character string%\%random character string%.udz

– %APPDATA%\Ixgo\%random character string%.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/PSW.Zbot.130048.Y

– %TEMPDIR%\%random character string%.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.

 Registry The following registry key is added:

– [HKCU\Software\Microsoft\Nuhyz]
   • "Noci"=hex:%hex values%

Description inserted by Patrick Schoenherr on Thursday, July 29, 2010
Description updated by Patrick Schoenherr on Thursday, July 29, 2010

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