TROJ_KILLAV.CIA
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It uses a file name similar to a legitimate file to pass as a legitimate file.
It does not have any propagation routine.
It does not have any backdoor routine.
It does not drop any other file.
It does not have any downloading capability.
It does not have any information-stealing capability.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan uses a file name similar to a legitimate file to pass as a legitimate file.
Propagation
This Trojan does not have any propagation routine.
Backdoor Routine
This Trojan does not have any backdoor routine.
Dropping Routine
This Trojan does not drop any other file.
Download Routine
This Trojan does not have any downloading capability.
Information Theft
This Trojan does not have any information-stealing capability.
Other Details
This Trojan requires the following additional components to properly run:
- %System Root%\Documents and Settings\All Users\data.db
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
NOTES:
This Trojan checks which process executed it. It terminates itself if it is executed by the following processes:
- avp.exe
- svchost.exe
It also terminates itself if it is not executed by the process EXPLORER.EXE. It searches for the file %System Root%\Documents and Settings\All Users\data.db and loads the said file in order to create a thread performing its malicious routines. It also executes the legitimate file %System%\wdmaud.drv.
This Trojan may connect to the URL
- liyanyanzy.{BLOCKED}2.org
This Trojan does not have rootkit capabilities.
This Trojan does not exploit any vulnerability.
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 2
Scan your computer with your Trend Micro product and note files detected as TROJ_KILLAV.CIA
Step 3
Identify and terminate files detected as TROJ_KILLAV.CIA
- 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 4
Search and delete these files
- %System Root%\Documents and Settings\All Users\data.db
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_KILLAV.CIA. 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.