BKDR_SPIRIT.12A
Backdoor:Win32/Spirit.B (Microsoft); BackDoor-DP (McAfee); Backdoor.Trojan (Symantec); Backdoor.Win32.Spirit.12.b (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Backdoor.Spirit.B (FSecure)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
1,055,232 bytes
EXE
No
15 Jun 2012
Arrival Details
This backdoor 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 backdoor creates the following folders:
- %System Root%\Ts2k1a
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
Dropping Routine
This backdoor drops the following files:
- %System Root%\Ts2k1a\client 1.2.exe
- %System Root%\Ts2k1a\server 1.2.exe
- %System Root%\Ts2k1a\ip-check 1.2.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
This report is generated via an automated analysis system.
SOLUTION
9.200
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
Search and delete these files
- %System Root%\Ts2k1a\client 1.2.exe
- %System Root%\Ts2k1a\server 1.2.exe
- %System Root%\Ts2k1a\ip-check 1.2.exe
Step 3
Search and delete this folder
- %System Root%\Ts2k1a
Step 4
Scan your computer with your Trend Micro product to delete files detected as BKDR_SPIRIT.12A. 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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