BKDR_SEDNIT.KL
Trojan:Win32/Foosace.J!dha (Microsoft);
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This backdoor may be dropped by other malware.
It connects to a website to send and receive information.
It retrieves specific information from the affected system.
TECHNICAL DETAILS
Arrival Details
This backdoor may be dropped by the following malware:
- TROJ_SEDNIT.KL
Installation
This backdoor adds the following mutexes to ensure that only one of its copies runs at any one time:
- E%pc}.-$]lBH d2klBH d2klBH RE: ><]pf;WklBH d2klBH d2klBH E%`e|-?yZh|yb#
Backdoor Routine
This backdoor connects to the following websites to send and receive information:
- {BLOCKED}.{BLOCKED}.12.133
Information Theft
This backdoor retrieves the following information from the affected system:
- OS Version
- System Information
- Running Processes
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
Remove the malware/grayware file dropped/downloaded by BKDR_SEDNIT.KL. (Note: Please skip this step if the threat(s) listed below have already been removed.)
- TROJ_SEDNIT.KL
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_SEDNIT.KL. 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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