Virus:TR/Dldr.FraudLoa.GT
Date discovered:21/10/2008
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:No
File size:~ 100.000 Bytes
IVDF version:7.00.06.67

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: not-a-virus:FraudTool.Win32.SecureExpertCleaner.k
   •  Sophos: Troj/FakeVir-EO
   •  Grisoft: Fake_AntiSpyware.ABH


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


Side effects:
   • Downloads a malicious file
   • Registry modification

 Files It tries to download a file:

– The location is the following:
   • http://download.secureexpertcleaner.com/**********Cleaner_de.exe
It is saved on the local hard drive under: %TEMPDIR%\ProductPath\runbst.exe Furthermore this file gets executed after it was fully downloaded. Further investigation pointed out that this file is malware, too. Detected as: DR/Fraud.SecureExpC

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

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • SecureExpertCleanerDownloader="%executed file%"



The following registry key is added:

– [HKLM\Software\SecureExpertCleanerDownloader]
   • EulaShowed=hex:%hex values%
   • TotalSize=hex:%hex values%
   • SeekPos=hex:%hex values%

 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:
   • ASPack

Description inserted by Thomas Wegele on Tuesday, November 11, 2008
Description updated by Thomas Wegele on Tuesday, November 11, 2008

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