BKDR_FIREF.X
Windows 2000, XP, Server 2003
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This backdoor may be dropped by other malware.
TECHNICAL DETAILS
28,672 bytes
EXE
Yes
18 May 2011
Arrival Details
This backdoor may be dropped by other malware.
Backdoor Routine
This backdoor connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}rt.mrslove.com
NOTES:
Sends the following information to the remote user:
- Computer Name
- IP address
- Operating System Version
It can receive the following commands:
- GeTFiLe - upload file
- InfO - send the above mentioned information
- pUtfIlE - download file
- reset - reset the affected system
- sHutDown - shutdown the affected system
- slEeP - put the affected system to sleep
- wiNCmd - execute cmd shell command
SOLUTION
8.900
8.164.05
18 Apr 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
Identify and terminate files detected as BKDR_FIREF.X
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
Scan your computer with your Trend Micro product to delete files detected as BKDR_FIREF.X. 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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