W2KM_DRIDEX.DAM
W97M.Downloader (Symantec); Troj/DocDl-ALE (Sophos); TrojanDownloader:O97M/Adnel (Microsoft); W97M/Downloader.art (McAfee); Trojan-Downloader.MSWord.Agent.wd (Kaspersky); VBA/TrojanDownloader.Agent.AKN (ESET-NOD32);
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.
It does not have any propagation routine.
It does not have any backdoor routine.
As of this writing, the said sites are inaccessible.
This is the Trend Micro detection for files that exhibit certain behaviors.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to the following email messages spammed by other malware/grayware or malicious users:
Propagation
This Trojan does not have any propagation routine.
Backdoor Routine
This Trojan does not have any backdoor routine.
Download Routine
As of this writing, the said sites are inaccessible.
Other Details
This is the Trend Micro detection for:
- Damaged variants of the W2KM_DRIDEX family
- Samples detected by this pattern contains code errors, thus they fail to exhibit their intended routines
- Microsoft Word documents that are compromised through the insertion of a malicious macro
NOTES:
The intention of the malware author is to download and execute a malicious file.
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
Enable the macro virus protection in Microsoft Office Applications
Step 3
Scan your computer with your Trend Micro product to delete files detected as W2KM_DRIDEX.DAM. 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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