JAVA_ADWIND.ABAAJ
Trojan:Java/Adwind.J (Microsoft); Java/Adwind.KB (ESET-NOD32); Java/Adwind.IK!tr (Fortinet); Adwind!B39953A15542 (McAfee); Troj/JavaDL-XO (Sophos)
Windows
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
100,689 bytes
JAR
No
14 Sep 2015
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 copies of itself into the affected system:
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
It drops the following files:
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\{copy of files under Java Installation folder}
- %Windows%\t.txt
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It creates the following folders:
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Run
TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
SOLUTION
9.750
11.918.05
14 Sep 2015
11.919.00
15 Sep 2015
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
- TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
- TBb3Nqf2MyT = ""%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\ADPkDB\bin\javaw.exe" -jar "%User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN\NqDsWngfvjgflfjlfjgfddfsfssrgkrktekteeryteyteyreunsrHJ.G2ZjzWYTFYTDFYTFDYTDDXdrysdayfualatkaytksdysfdhkgasdshgshtshjwq""
Step 5
Search and delete these folders
- %User Profile%\d1QzyFbUwTorereyrtsesRRTTRSETJTKRKRTSSDCFBCVXDSAEAUIOKJHDDSJGN
Step 6
Search and delete this file
- %Windows%\t.txt
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as JAVA_ADWIND.ABAAJ. 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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