TROJ_KRYPTIC.SMA
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be unknowingly downloaded by a user while visiting malicious websites.
It also has rootkit capabilities, which enables it to hide its processes and files from the user.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
Varies
EXE
Yes
04 Nov 2011
Arrival Details
This Trojan may be unknowingly downloaded by a user while visiting malicious websites.
Installation
This Trojan drops the following copies of itself into the affected system and executes them:
- %User Temp%\Backup.exe
(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.)
Rootkit Capabilities
This Trojan also has rootkit capabilities, which enables it to hide its processes and files from the user.
Other Details
This Trojan deletes the initially executed copy of itself
SOLUTION
9.200
8.546.05
04 Nov 2011
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
Restart in Safe Mode
Step 3
Search and delete this file
- %User Temp%\Backup.exe
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_KRYPTIC.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.
Did this description help? Tell us how we did.