TROJ_KELIHOS.SMA
TrojanDownloader:Win32/Waledac.c (Microsoft), Trojan.Win32.Pakes.owa (Kaspersky), W32/SLM9X.A@mm (Fortinet)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Arrival Details
This Trojan may be dropped by other malware.
It may be unknowingly downloaded by a user while visiting malicious websites.
Download Routine
This Trojan accesses the following websites to download files:
- http://{BLOCKED}r.com/client1.exe
It saves the files it downloads using the following names:
- %Temp%\_ex-68.exe
(Note: %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp or C:\WINNT\Temp.)
Trend Micro detects the dowloaded file as:
- WORM_KELIHOS.CDS
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
NOTES:
This malware may be downloaded from links in email messages sent out by WORM_KELIHOS.CDS.
SOLUTION
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 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_KELIHOS.SMA. 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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