HKTL64_PATCHER.GB
Windows (64-bit)
Threat Type: Hacking Tool
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Hacking Tool 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
1,747,456 bytes
EXE
No
26 Jun 2018
Drops files, Connects to URLs/IPs, Downloads files
Arrival Details
This Hacking Tool 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 Hacking Tool drops the following files:
- %User Temp%\ntkrnlmp.exe
- %User Temp%\osloader.exe
- %User Temp%\symsrv.dll
- %User Temp%\Symbols\pingme.txt
- %User Temp%\dbghelp.dll
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Download Routine
This Hacking Tool accesses the following websites to download files:
- https://{BLOCKED}prodscussu5shard58.{BLOCKED}b.core.windows.net/b-4712e0edc5a240eabf23330d7df68e77/98A14A45856422D571CDEA18737E156B89D4C85FE7A2C03E353274FC83996DE200.blob?sv=2017-04-17&sr=b&si=1&sig=5QJ7C5Z30ygkQqzurtb9qUpaRdjw04LbmIR4bppk5Xg%3D&spr=https&se=2018-06-30T08%3A35%3A45Z
It saves the files it downloads using the following names:
- %User Temp%\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error
- %User Temp%\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\winload_prod.pdb
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other Details
This Hacking Tool does the following:
- It requires Administrative privilege to run properly.
- This hacktool disables Driver Signing Enforcement and Patch Guard on Windows 7, 8 & 10 operating systems.
SOLUTION
9.850
1.977.00
28 Jun 2018
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
Identify and terminate files detected as HKTL64_PATCHER.GB
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Search and delete this file
- %User Temp%\ntkrnlmp.exe
- %User Temp%\osloader.exe
- %User Temp%\symsrv.dll
- %User Temp%\dbghelp.dll
- %User Temp%\Symbols\pingme.txt
- %User Temp%\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error
- %User Temp%\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\winload_prod.pdb
Step 5
Scan your computer with your Trend Micro product to delete files detected as HKTL64_PATCHER.GB. 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 the following Trend Micro Support pages for more information:
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