PUA_REMOTEADMIN.GA
Trojan.GenericKD.30941487 (BITDEFENDER), a variant of Win32/RemoteAdmin.NetSupportManager.D (NOD32)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potentially Unwanted Application 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
7,443,848 bytes
EXE
No
09 Jun 2018
Arrival Details
This Potentially Unwanted Application 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 Potentially Unwanted Application drops the following files:
- %System Root%\temp\__tmp_rar_sfx_access_check_{random numbers}
- %System Root%\temp\windows (1).ico
- %System Root%\temp\images_{random string}.png
- %System Root%\temp\WinSupport\AudioCapture.dll
- %System Root%\temp\WinSupport\clhook4.dll
- %System Root%\temp\WinSupport\client32.ini
- %System Root%\temp\WinSupport\Control.kbd
- %System Root%\temp\WinSupport\CryptPak.dll
- %System Root%\temp\WinSupport\DBI.EXE
- %System Root%\temp\WinSupport\gdihook5.dll
- %System Root%\temp\WinSupport\gdihook5.INF
- %System Root%\temp\WinSupport\gdihook5.sys
- %System Root%\temp\WinSupport\HTCTL32.DLL
- %System Root%\temp\WinSupport\IPBR32.DLL
- %System Root%\temp\WinSupport\IPCTL32.DLL
- %System Root%\temp\WinSupport\msvcr100.dll
- %System Root%\temp\WinSupport\NBBR32.DLL
- %System Root%\temp\WinSupport\Nbctl32.dll
- %System Root%\temp\WinSupport\NBCTLA0.DLL
- %System Root%\temp\WinSupport\NBCTLA1.DLL
- %System Root%\temp\WinSupport\NBCTLA2.DLL
- %System Root%\temp\WinSupport\NBCTLA3.DLL
- %System Root%\temp\WinSupport\NBCTLA4.DLL
- %System Root%\temp\WinSupport\NBCTLA5.DLL
- %System Root%\temp\WinSupport\NBCTLA6.DLL
- %System Root%\temp\WinSupport\NBCTLA7.DLL
- %System Root%\temp\WinSupport\nskbfltr.inf
- %System Root%\temp\WinSupport\nskbfltr.sys
- %System Root%\temp\WinSupport\NSM.ini
- %System Root%\temp\WinSupport\NSM.LIC
- %System Root%\temp\WinSupport\nsmexec.exe
- %System Root%\temp\WinSupport\nspscr.inf
- %System Root%\temp\WinSupport\nspscr.sys
- %System Root%\temp\WinSupport\NSToast.exe
- %System Root%\temp\WinSupport\pcicapi.dll
- %System Root%\temp\WinSupport\pcicfgui.exe
- %System Root%\temp\WinSupport\PCICHEK.DLL
- %System Root%\temp\WinSupport\PCICL32.DLL
- %System Root%\temp\WinSupport\pciconn.exe
- %System Root%\temp\WinSupport\pcigina.dll
- %System Root%\temp\WinSupport\PCIHOOKS.DLL
- %System Root%\temp\WinSupport\PCIinv.dll
- %System Root%\temp\WinSupport\PCIMON.DLL
- %System Root%\temp\WinSupport\pcimonhook.dll
- %System Root%\temp\WinSupport\PCIMSG.DLL
- %System Root%\temp\WinSupport\pcisys.sys
- %System Root%\temp\WinSupport\PCIVDD.DLL
- %System Root%\temp\WinSupport\pscrinst.dll
- %System Root%\temp\WinSupport\remcmdstub.exe
- %System Root%\temp\WinSupport\shfolder.dll
- %System Root%\temp\WinSupport\TCBR32.DLL
- %System Root%\temp\WinSupport\TCCTL32.DLL
- %System Root%\temp\WinSupport\VolumeControlWXP.DLL
- %System Root%\temp\WinSupport\WdfCoInstaller01005.dll
- %AppDataLocal%\NetSupport\NetSupport Manager\{%COMPUTERNAME%}_HF.bin
- %AppDataLocal%\NetSupport\NetSupport Manager\{%COMPUTERNAME%}_HW.bin
- %AppDataLocal%\NetSupport\NetSupport Manager\{%COMPUTERNAME%}_SW.bin
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
It drops and executes the following files:
- %System Root%\temp\WinSupport.exe
- %System Root%\temp\WinSupport\client32.exe
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
It creates the following folders:
- %AppDataLocal%\NetSupport
- %AppDataLocal%\NetSupport\NetSupport Manager
- %System Root%\temp
- %System Root%\temp\WinSupport
(Note: %AppDataLocal% is the Application Data folder found in Local Settings, where it is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local 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.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other Details
This Potentially Unwanted Application connects to the following possibly malicious URL:
- http://ih967609.vds.{BLOCKED}r.ru:4141
- http://geo.{BLOCKED}ortsoftware.com/location/loca.asp
SOLUTION
9.850
1.971.00
14 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
Remove malware/grayware files dropped/downloaded by PUA_REMOTEADMIN.GA. (Note: Please skip this step if the threats listed below have already been removed.)
- %System Root%\temp\WinSupport.exe
- %System Root%\temp\WinSupport\client32.exe
Step 4
Search and delete these folders
- %System Root%\temp
- %AppDataLocal%\NetSupport
Step 5
Scan your computer with your Trend Micro product to delete files detected as PUA_REMOTEADMIN.GA. 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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