TROJ_ONLINEG.SMZ
PWS:Win32/OnLineGames.HI (Microsoft); [00008240.EXE]:PWS-Mmorpg!xz, [00011c48.EXE]:PWS-Mmorpg!xz, [0000ac40.EXE]:PWS-Mmorpg!b2m, [0000be48 (McAfee); Infostealer (Symantec); PAK:UPX (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003
![](/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 deletes itself after execution.
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.
Other System Modifications
This Trojan deletes the following files:
- %System Root%\del.bat
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
SFCDisable = "ffffff9d"
Dropping Routine
This Trojan drops the following files:
- %Program Files%\Monday.ime
- %Program Files%\Tuesday.ime
- %Program Files%\Wednesday.ime
- %Program Files%\Sunday.ime
- %Program Files%\taskmgr.upx
- %System%\systemp
- %System%\sfcos.dll
(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).. %System% is the Windows system folder, which is usually C:\Windows\System32.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://www.{BLOCKED}6.3322.orgmessage/sendmail.asp
It deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
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
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- SFCDisable = "ffffff9d"
Step 3
Search and delete these components
- %Program Files%\Monday.ime
- %Program Files%\Tuesday.ime
- %Program Files%\Wednesday.ime
- %Program Files%\Sunday.ime
- %Program Files%\taskmgr.upx
- %System%\systemp
- %System%\sfcos.dll
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_ONLINEG.SMZ. 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.
Step 5
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %System Root%\del.bat
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