W2KM_DLOADR.YYSOE
TrojanDownloader:O97M/Donoff (Microsoft), W97M/Downloader.arx (McAfee)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://www.{BLOCKED}p.com//uploads/8b4ee1e.exe
It saves the files it downloads using the following names:
- sgsfgdfg.exe
As of this writing, the said sites are inaccessible.
SOLUTION
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
- sgsfgdfg.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as W2KM_DLOADR.YYSOE. 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
Enable the macro virus protection in Microsoft Office Applications
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