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Virus:DR/SdBot.115487
Date discovered:13/12/2012
Type:Dropper
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:115.487 Bytes
MD5 checksum:512bdab878e14db7bb83afd5b2193de8
VDF version:7.11.53.216

 General Method of propagation:
   • No own spreading routine


Alias:
   •  Symantec: Trojan.Dropper


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows 2000
   • Windows XP


Side effects:
   • Drops malicious files
   • Registry modification

 Files The following files are created:

c:\winnt\system32\holdyour.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Proxy.Ranky.BN.7

c:\winnt\system32\pepsie.exe Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: Worm/SdBot.41984.21

 Registry The following registry key is added:

HKCU\Software\WinRAR SFX
   • "C%%WINNT%SYSTEM32%"="c:\winnt\system32\"

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Irina Boldea on Friday, October 21, 2005
Description updated by Irina Boldea on Thursday, October 27, 2005

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