TROJ_COINMINE.THG
Trojan.Win32.FakeWarn.q (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Generic33.AVMK (AVG)
Windows 2000, Windows XP, Windows Server 2003
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.
TECHNICAL DETAILS
4,794,368 bytes
EXE
No
02 May 2014
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 creates the following folders:
- %User Temp%\dtrmbbfjzwqwbe
(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 drops the following files:
- %User Temp%\dtrmbbfjzwqwbe\ocqhnbkwdgbi.exe
- %User Temp%\dtrmbbfjzwqwbe\diablo121016.cl
- %User Temp%\dtrmbbfjzwqwbe\diakgcn121016.cl
- %User Temp%\dtrmbbfjzwqwbe\libblkmaker-0.1-0.dll
- %User Temp%\dtrmbbfjzwqwbe\libblkmaker_jansson-0.1-0.dll
- %User Temp%\dtrmbbfjzwqwbe\libcurl-4.dll
- %User Temp%\dtrmbbfjzwqwbe\libcurl.dll
- %User Temp%\dtrmbbfjzwqwbe\libeay32.dll
- %User Temp%\dtrmbbfjzwqwbe\libidn-11.dll
- %User Temp%\dtrmbbfjzwqwbe\libjansson-4.dll
- %User Temp%\dtrmbbfjzwqwbe\libpdcurses.dll
- %User Temp%\dtrmbbfjzwqwbe\libusb-1.0.dll
- %User Temp%\dtrmbbfjzwqwbe\pdcurses.dll
- %User Temp%\dtrmbbfjzwqwbe\phatk121016.cl
- %User Temp%\dtrmbbfjzwqwbe\poclbm121016.cl
- %User Temp%\dtrmbbfjzwqwbe\pthreadGC2.dll
- %User Temp%\dtrmbbfjzwqwbe\scrypt121016.cl
- %User Temp%\dtrmbbfjzwqwbe\ssleay32.dll
- %User Temp%\dtrmbbfjzwqwbe\zlib1.dll
(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.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}in.com/raw.php?i=eQC9CHcF
- {BLOCKED}.2.46
- {BLOCKED}0.1
This report is generated via an automated analysis system.
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
Search and delete these components
- %User Temp%\dtrmbbfjzwqwbe\ocqhnbkwdgbi.exe
- %User Temp%\dtrmbbfjzwqwbe\diablo121016.cl
- %User Temp%\dtrmbbfjzwqwbe\diakgcn121016.cl
- %User Temp%\dtrmbbfjzwqwbe\libblkmaker-0.1-0.dll
- %User Temp%\dtrmbbfjzwqwbe\libblkmaker_jansson-0.1-0.dll
- %User Temp%\dtrmbbfjzwqwbe\libcurl-4.dll
- %User Temp%\dtrmbbfjzwqwbe\libcurl.dll
- %User Temp%\dtrmbbfjzwqwbe\libeay32.dll
- %User Temp%\dtrmbbfjzwqwbe\libidn-11.dll
- %User Temp%\dtrmbbfjzwqwbe\libjansson-4.dll
- %User Temp%\dtrmbbfjzwqwbe\libpdcurses.dll
- %User Temp%\dtrmbbfjzwqwbe\libusb-1.0.dll
- %User Temp%\dtrmbbfjzwqwbe\pdcurses.dll
- %User Temp%\dtrmbbfjzwqwbe\phatk121016.cl
- %User Temp%\dtrmbbfjzwqwbe\poclbm121016.cl
- %User Temp%\dtrmbbfjzwqwbe\pthreadGC2.dll
- %User Temp%\dtrmbbfjzwqwbe\scrypt121016.cl
- %User Temp%\dtrmbbfjzwqwbe\ssleay32.dll
- %User Temp%\dtrmbbfjzwqwbe\zlib1.dll
Step 3
Search and delete this folder
- %User Temp%\dtrmbbfjzwqwbe
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_COINMINE.THG. 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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