TROJ_VESPULA.AD
Win32/TrojanDownloader.Vespula.AY trojan (Eset), Trojan-Ransom.Win32.Gimemo (Ikarus), W32/Zbot.DZZS!tr (Fortinet)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system. As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
39,259 bytes
EXE
Yes
14 Aug 2012
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}.{BLOCKED}.255.152/292825.html
It saves the files it downloads using the following names:
- %User Temp%\~!#LD{random}.tmp
(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.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
As of this writing, the said sites are inaccessible.
SOLUTION
9.200
9.320.04
14 Aug 2012
9.321.00
14 Aug 2012
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
Scan your computer with your Trend Micro product and note files detected as TROJ_VESPULA.AD
Step 3
Restart in Safe Mode
Step 4
Search and delete this file
- %User Temp%\~!#LD{random}.tmp
Step 5
Search and delete the file detected as TROJ_VESPULA.AD
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_VESPULA.AD. 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.
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