TSPY_VB.GHO
TrojanDropper:Win32/Delf.DP (Microsoft); [00019600.EXE]:Generic PWS.y!lj (McAfee); Trojan.ADH (Symantec); Trojan-Dropper.Win32.Delf.cnh (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan.Generic.266094 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
1,097,192 bytes
EXE
No
21 Apr 2012
Arrival Details
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This spyware drops the following copies of itself into the affected system:
- {malware path and file name}_
Other System Modifications
This spyware deletes the following files:
- {malware path and file name}_
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
DirectDraw\MostRecentApplication
Name = "Msn Live.exe"
(Note: The default value data of the said registry entry is iexplore.exe.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
DirectDraw\MostRecentApplication
ID = "479dffe7"
(Note: The default value data of the said registry entry is 41107b81.)
Dropping Routine
This spyware drops the following files:
- %User Temp%\MsnLive.dll
- %User Temp%\Msn Live.exe
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
This report is generated via an automated analysis system.
SOLUTION
9.200
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Restore this modified registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication
- From: Name = "Msn Live.exe"
To: Name = ""iexplore.exe""
- From: Name = "Msn Live.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication
- From: ID = "479dffe7"
To: ID = ""41107b81""
- From: ID = "479dffe7"
Step 3
Search and delete these files
- %User Temp%\MsnLive.dll
- %User Temp%\Msn Live.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as TSPY_VB.GHO. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 5
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- {malware path and file name}_
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