TROJ_WIMMIE.RJ
TrojanDownloader:VBS/Wimmie.A(Microsoft), W32/Wintrim.E(Fortinet)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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 executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
TECHNICAL DETAILS
528,209 bytes
EXE
No
24 May 2013
Drops files
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 drops the following files:
- {malware path}\Ten Great Tips For Each Day.pdf
It drops and executes the following files:
- %User Temp%\maritimemaster.kilu.org_test.exe - also detected as TROJ_WIMMIE.RJ
- %User Temp%\temp.vbs - detected as VBS_WIMMIE.SMC
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
Dropping Routine
This Trojan executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
NOTES:
Upon execution, it opens the non-malicious dropped file, {malware path}\Ten Great Tips For Each Day.pdf, in order to hide its malicious routines from the user.
SOLUTION
9.300
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
Remove malware/grayware files dropped/downloaded by TROJ_WIMMIE.RJ
- VBS_WIMMIE.SMC
Step 3
Search and delete this file
- {malware path}\Ten Great Tips For Each Day.pdf
- %User Temp%\maritimemaster.kilu.org_test.exe
- %User Temp%\temp.vbs
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_WIMMIE.RJ. 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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