TROJ_FAKEMS.SMCA
Trojan:Win32/Zawat.A(Microsoft), Trojan.Win32.FakeMS(Ikarus)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
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 may be dropped by other malware.
However, as of this writing, the said sites are inaccessible. It deletes the initially executed copy of itself.
TECHNICAL DETAILS
5,249,931 bytes
EXE
Yes
11 Jan 2012
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.
It may be dropped by other malware.
Installation
This Trojan drops the following copies of itself into the affected system and executes them:
- %Program Files%\Windows NT\Accessories\Microsoft\mslives.exe
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKLM\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
msliveupdate = "%Program Files%\Windows NT\Accessories\Microsoft\mslives.exe"
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}p.{BLOCKED}ap.com/trapintro/flashview.html
However, as of this writing, the said sites are inaccessible.
It deletes the initially executed copy of itself
SOLUTION
9.300
9.651.00
12 Jan 2013
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
Restart in Safe Mode
Step 3
Delete this registry value
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\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- msliveupdate = "%Program Files%\Windows NT\Accessories\Microsoft\mslives.exe"
- msliveupdate = "%Program Files%\Windows NT\Accessories\Microsoft\mslives.exe"
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_FAKEMS.SMCA. 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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