TROJ_SPMAN.KRZ
Windows Vista, Windows 7, Windows Server 2008 and in Windows Server 2008 R2
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
This Trojan may be downloaded by other malware/grayware from remote sites.
TECHNICAL DETAILS
Varies
EXE
No
27 Apr 2012
Downloads files
Arrival Details
This Trojan may be downloaded by the following malware/grayware from remote sites:
- JAVA_EXPLOIT.KRZ
It may be downloaded from the following remote sites:
- http://www.{BLOCKED}se-haccp.org.tw/news/calc.exe
Installation
This Trojan drops the following component file(s):
- %Program Files%\Common Files\Microsoft Shared\WinlogonUpdate\svchost.exe - also detected as TROJ_SPMAN.KRZ
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
It creates the following folders:
- %Program Files%\Common Files\Microsoft Shared\WinlogonUpdate
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Process Termination
This Trojan terminates the following processes if found running in the affected system's memory:
- avp.exe
- bdagent.exe
Other Details
Based on analysis of the codes, it has the following capabilities:
- It is capable of downloading other possibly malicious file(s) from remote site(s)
It requires the following additional components to properly run:
- %Current%\config.ini
- %Current%\temp.dll
NOTES:
It tries to read the following component which possibly contains malware configuration:
- %Current%\config.ini
It executes the following commands in command prompt:
- "cmd.exe /c wusa.exe C:\_virus\temp.dll /extract:C:\WINDOWS\system32\sysprep\ /quiet"
- "cmd.exe /c C:\WINDOWS\system32\sysprep\sysprep.exe "
- "C:\_virus\svchost.exe"" ""-cmd -uninstall -bncc"""
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
Remove malware/grayware files that dropped/downloaded TROJ_SPMAN.KRZ
-
JAVA_EXPLOIT.KRZ
Step 3
Search and delete these folders
Step 4
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
- WNetDHCP
- WNetDHCP
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_SPMAN.KRZ. 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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