TROJ_WAUCHOS.WEQ
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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 arrives as a component bundled with malware/grayware packages.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
142,848 bytes
EXE
No
31 Jul 2014
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.
It arrives as a component bundled with malware/grayware packages.
Other Details
This Trojan requires the following additional components to properly run:
- {malware path}\6.txt
It requires its main component to successfully perform its intended routine.
NOTES:
This malware is used by other malware to create and/or open a mutex and delete a file.
It accepts the following parameters passed by its main component:
- MUTEX {mutex name to open} {filename to delete}
- PERSIST {mutex name to create} {unknown parameters}
SOLUTION
9.700
10.956.02
31 Jul 2014
10.957.00
01 Aug 2014
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Search and delete these files
- {malware path}\6.txt
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_WAUCHOS.WEQ. 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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