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PUA.Win32.WinMaster.A

December 16, 2022
 Analysis by: Jayvee Mark Villaroman
 ALIASES:

a variant of Win32/Monitor.WinMaster.A (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

File Size:

5,483,899 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

09 Dec 2022

Installation

This Potentially Unwanted Application adds the following folders:

  • %System Root%\temp
  • %System Root%\temp\temp
  • %System Root%\temp\temp\Policy
  • %System Root%\temp\temp\Policy\System
  • %User Temp%\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6
  • %Windows%\debug\SMR
  • %Windows%\debug\SMR\RMSLog
  • %User Temp%\SMR
  • %User Temp%\SMRCV7

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

It drops the following files:

  • %System Root%\temp\temp\_tmp_rar_sfx_access_check_3987229
  • %System Root%\temp\temp\FoxSDKU32w.dll
  • %System Root%\temp\temp\HuCheck5.exe
  • %System Root%\temp\temp\install.dat
  • %System Root%\temp\temp\ManualUpdate2015.exe
  • %System Root%\temp\temp\PCInfo.exe
  • %System Root%\temp\temp\Policy\system\ReplySystem.opt
  • %System Root%\temp\temp\Presto.agn
  • %System Root%\temp\temp\rms.dll
  • %System Root%\temp\temp\RunManualUpdate2015.exe
  • %System Root%\temp\temp\ScheduleTask.exe
  • %System Root%\temp\temp\sensetup.exe
  • %System Root%\temp\temp\ServerSchTask.dat
  • %System Root%\temp\temp\smrf.cat.208
  • %System Root%\temp\temp\smrf.cat.208_x64
  • %System Root%\temp\temp\smrf.cat.212R2_x64
  • %System Root%\temp\temp\smrf.cat.212_x64
  • %System Root%\temp\temp\smrf.cat.vis
  • %System Root%\temp\temp\smrf.cat.w7
  • %System Root%\temp\temp\Smrf.cat.w7_x64
  • %System Root%\temp\temp\smrf.cat.w8
  • %System Root%\temp\temp\smrf.cat.w81
  • %System Root%\temp\temp\smrf.cat.w81_x64
  • %System Root%\temp\temp\smrf.cat.w8_x64
  • %System Root%\temp\temp\Smrf.inf.208
  • %System Root%\temp\temp\smrf.inf.208_x64
  • %System Root%\temp\temp\smrf.inf.212R2_x64
  • %System Root%\temp\temp\smrf.inf.212_x64
  • %System Root%\temp\temp\Smrf.inf.vis
  • %System Root%\temp\temp\Smrf.inf.w23
  • %System Root%\temp\temp\Smrf.inf.w7
  • %System Root%\temp\temp\Smrf.inf.w7_x64
  • %System Root%\temp\temp\smrf.inf.w8
  • %System Root%\temp\temp\smrf.inf.w81
  • %System Root%\temp\temp\smrf.inf.w81_x64
  • %System Root%\temp\temp\Smrf.inf.wxp
  • %System Root%\temp\temp\Smrf.sys.208
  • %System Root%\temp\temp\smrf.sys.208_x64
  • %System Root%\temp\temp\smrf.sys.212R2_x64
  • %System Root%\temp\temp\smrf.sys.212_x64
  • %System Root%\temp\temp\Smrf.sys.vis
  • %System Root%\temp\temp\Smrf.sys.w23
  • %System Root%\temp\temp\Smrf.sys.w7
  • %System Root%\temp\temp\Smrf.sys.w7_x64
  • %System Root%\temp\temp\smrf.sys.w8
  • %System Root%\temp\temp\smrf.sys.w81
  • %System Root%\temp\temp\smrf.sys.w81_x64
  • %System Root%\temp\temp\smrf.sys.w8_x64
  • %System Root%\temp\temp\Smrf.sys.wxp
  • %System Root%\temp\temp\winet.ln_
  • %System Root%\temp\temp\WinNetDaily.dll
  • %System Root%\temp\temp\wmcDataBurner.exe
  • %System Root%\temp\temp\wmcEncryption.exe
  • %System Root%\temp\temp\wmcFTSlave.exe
  • %System Root%\temp\temp\wmcHook.dll
  • %System Root%\temp\temp\wmcHook64dll
  • %System Root%\temp\temp\wmcMemmgr.dll
  • %System Root%\temp\temp\wmcMemmgr64.dll
  • %System Root%\temp\temp\wmcProc.exe
  • %System Root%\temp\temp\wmcRCSlave.exe
  • %System Root%\temp\temp\wmcRMS.exe
  • %System Root%\temp\temp\wmcService.exe
  • %System Root%\temp\temp\wmcService64.exe
  • %System Root%\temp\temp\wmc5ystem.exe
  • %System Root%\temp\temp\wmcSystem64.exe
  • %System Root%\temp\temp\wmcUser.exe
  • %System Root%\temp\temp\XceedCry.dll
  • %System Root%\temp\wwnew.ver
  • %System Root%\Windows\debug\SMR\ManualUpdate2015{_systemdate}.log
  • %AppData%\Local\Temp\autBE3.tmp
  • %AppData%\Local\Temp\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6\wmcrms.exe
  • %User Temp%\SMR\hodll.1214005016
  • %User Temp%\SMR\Hook1.1214005016
  • %User Temp%\SMR\Hook2.1214005016
  • %User Temp%\SMR\wmLookProc.1214005016
  • %User Temp%\SMR\wmTakeHttp.1214005016
  • %User Temp%\SMR\wmTakeIM.1214005016
  • %User Temp%\SMR\wmLookProc64.1214005016
  • %User Temp%\SMR\WaterMark.1214005016
  • %User Temp%\SMR\wmcHook.1214005016
  • %User Temp%\SMR\wmcHook64.1214005016
  • %User Temp%\SMR\wmcMemmgr.1214005016
  • %User Temp%\SMR\wmcMemmgr64.1214005016
  • %User Temp%\SMR\wmcInvenLib.1214005016

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

  • %System Root%\temp\temp\RunManualUpdate2015.exe
  • %System Root%\temp\temp\ManualUpdate2015.exe
  • %System Root%\temp\temp\CSL.exe
  • %System Root%\temp\temp\HuCheck5.exe
  • %System%\cmd.exe /c %User Temp%\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6\wmcrms.exe -noui -driver -alt -log
  • %User Temp%\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6\wmcrms.exe
  • %User Temp%\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6\wmcrms.exe -noui -driver -alt -log
  • cmd.exe /c del %Program Files%\ww2010cf\smrf.* /F /S /Q
  • schtasks.exe /Delete /TN "CheckTaskHour" /F
  • schtasks.exe /Delete /TN "CheckTaskDaily" /F
  • schtasks.exe /Delete /TN "WinMaster Log and Backup Auto Archive" /F
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Server_x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Server x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Server"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Connect x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Connect"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Client"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Client_x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices Client x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices V7 Server x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices V7 Server"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices V7 Client x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterServices V7 Client"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterRC Slave"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterFT Slave"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterRC Master"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterFT Master"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterRC Slave x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterFT Slave x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterRC Master x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMasterFT Master x64"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMaster Client"
  • cmd.exe /c netsh advfirewall firewall delete rule name="WinMaster Server"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcSystem.exe"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\WM7_Server.exe"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcFTMaster.exe"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcFTSlave.exe"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcRCMaster.exe"
  • cmd.exe /c netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcRCSlave.exe"
  • "%System%\cmd.exe" /c net stop smrf
  • "%System%\cmd.exe" /c ren "%Program Files%\ww2010cf\wmcHook.dll" wmcHook.1214005252
  • "%System%\cmd.exe" /c ren "%Program Files%\ww2010cf\wmcHook64.dll" wmcHook64.1214005252
  • "%System%\cmd.exe" /c ren "%Program Files%\ww2010cf\wmcMemmgr.dll" wmcMemmgr.1214005252
  • "%System%\cmd.exe" /c ren "%Program Files%\ww2010cf\wmcMemmgr64.dll" wmcMemmgr64.1214005252
  • "%System%\cmd.exe" /c move "%Program Files%\ww2010cf\*.1214005252" "%User Temp%\SMRCV7"
  • netsh advfirewall firewall delete rule name="WinMasterServices Server_x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices Server x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices Server"
  • netsh advfirewall firewall delete rule name="WinMasterServices Connect x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices Connect"
  • netsh advfirewall firewall delete rule name="WinMasterServices Client"
  • netsh advfirewall firewall delete rule name="WinMasterServices Client_x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices Client x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices V7 Server x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices V7 Server"
  • netsh advfirewall firewall delete rule name="WinMasterServices V7 Client x64"
  • netsh advfirewall firewall delete rule name="WinMasterServices V7 Client"
  • netsh advfirewall firewall delete rule name="WinMasterRC Slave"
  • netsh advfirewall firewall delete rule name="WinMasterFT Slave"
  • netsh advfirewall firewall delete rule name="WinMasterRC Master"
  • netsh advfirewall firewall delete rule name="WinMasterFT Master"
  • netsh advfirewall firewall delete rule name="WinMasterRC Slave x64"
  • netsh advfirewall firewall delete rule name="WinMasterFT Slave x64"
  • netsh advfirewall firewall delete rule name="WinMasterRC Master x64"
  • netsh advfirewall firewall delete rule name="WinMasterFT Master x64"
  • netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcFTMaster.exe"
  • netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcRCMaster.exe"
  • netsh firewall delete allowedprogram program ="%Program Files%\WW2010CF\wmcFTSlave.exe"

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Potentially Unwanted Application adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR SFX
c%%temp%temp = %System Root%\temp\temp

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\USBSTOR
Start = 3

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E
LanguageList = \x00\x00

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
dhcpqec.dll,-100 = DHCP Quarantine Enforcement Client

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
dhcpqec.dll,-101 = Provides DHCP based enforcement for NAP

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
dhcpqec.dll,-103 = 1.0

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
dhcpqec.dll,-102 = Microsoft Corporation

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
napipsec.dll,-1 = IPsec Relying Party

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
napipsec.dll,-2 = Provides IPsec based enforcement for Network Access Protection

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
napipsec.dll,-4 = 1.0

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
napipsec.dll,-3 = Microsoft Corporation

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
tsgqec.dll,-100 = RD Gateway Quarantine Enforcement Client

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
tsgqec.dll,-101 = Provides RD Gateway enforcement for NAP

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
tsgqec.dll,-102 = 1.0

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
tsgqec.dll,-103 = Microsoft Corporation

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
eapqec.dll,-100 = EAP Quarantine Enforcement Client

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
eapqec.dll,-101 = Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies.

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
eapqec.dll,-102 = 1.0

HKEY_CURRENT_USER\Software\Classes\
Local Settings\MuiCache\CF\
52C64B7E\@%SystemRoot%\system32
eapqec.dll,-103 = Microsoft Corporation

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

2.577.00

SSAPI PATTERN Date:

15 Dec 2022

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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

Delete this registry value

[ Learn More ]

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\WinRAR SFX
    • c%%temp%temp=%System Root%\temp\temp
  • In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\USBSTOR
    • Start=3
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E
    • LanguageList=\x00\x00
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • dhcpqec.dll,-100=DHCP Quarantine Enforcement Client
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • dhcpqec.dll,-101=Provides DHCP based enforcement for NAP
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • dhcpqec.dll,-103=1.0
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • dhcpqec.dll,-102=Microsoft Corporation
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • napipsec.dll,-1=IPsec Relying Party
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • napipsec.dll,-2=Provides IPsec based enforcement for Network Access Protection
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • napipsec.dll,-4=1.0
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • napipsec.dll,-3=Microsoft Corporation
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • tsgqec.dll,-100=RD Gateway Quarantine Enforcement Client
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • tsgqec.dll,-101=Provides RD Gateway enforcement for NAP
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • tsgqec.dll,-102=1.0
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • tsgqec.dll,-103=Microsoft Corporation
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • eapqec.dll,-100=EAP Quarantine Enforcement Client
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • eapqec.dll,-101=Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies.
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • eapqec.dll,-102=1.0
  • In HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\CF\52C64B7E\@%SystemRoot%\system32
    • eapqec.dll,-103=Microsoft Corporation

Step 4

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • %System Root%\temp\temp\_tmp_rar_sfx_access_check_3987229
  • %System Root%\temp\temp\FoxSDKU32w.dll
  • %System Root%\temp\temp\HuCheck5.exe
  • %System Root%\temp\temp\install.dat
  • %System Root%\temp\temp\ManualUpdate2015.exe
  • %System Root%\temp\temp\PCInfo.exe
  • %System Root%\temp\temp\Policy\system\ReplySystem.opt
  • %System Root%\temp\temp\Presto.agn
  • %System Root%\temp\temp\rms.dll
  • %System Root%\temp\temp\RunManualUpdate2015.exe
  • %System Root%\temp\temp\ScheduleTask.exe
  • %System Root%\temp\temp\sensetup.exe
  • %System Root%\temp\temp\ServerSchTask.dat
  • %System Root%\temp\temp\smrf.cat.208
  • %System Root%\temp\temp\smrf.cat.208_x64
  • %System Root%\temp\temp\smrf.cat.212R2_x64
  • %System Root%\temp\temp\smrf.cat.212_x64
  • %System Root%\temp\temp\smrf.cat.vis
  • %System Root%\temp\temp\smrf.cat.w7
  • %System Root%\temp\temp\Smrf.cat.w7_x64
  • %System Root%\temp\temp\smrf.cat.w8
  • %System Root%\temp\temp\smrf.cat.w81
  • %System Root%\temp\temp\smrf.cat.w81_x64
  • %System Root%\temp\temp\smrf.cat.w8_x64
  • %System Root%\temp\temp\Smrf.inf.208
  • %System Root%\temp\temp\smrf.inf.208_x64
  • %System Root%\temp\temp\smrf.inf.212R2_x64
  • %System Root%\temp\temp\smrf.inf.212_x64
  • %System Root%\temp\temp\Smrf.inf.vis
  • %System Root%\temp\temp\Smrf.inf.w23
  • %System Root%\temp\temp\Smrf.inf.w7
  • %System Root%\temp\temp\Smrf.inf.w7_x64
  • %System Root%\temp\temp\smrf.inf.w8
  • %System Root%\temp\temp\smrf.inf.w81
  • %System Root%\temp\temp\smrf.inf.w81_x64
  • %System Root%\temp\temp\Smrf.inf.wxp
  • %System Root%\temp\temp\Smrf.sys.208
  • %System Root%\temp\temp\smrf.sys.208_x64
  • %System Root%\temp\temp\smrf.sys.212R2_x64
  • %System Root%\temp\temp\smrf.sys.212_x64
  • %System Root%\temp\temp\Smrf.sys.vis
  • %System Root%\temp\temp\Smrf.sys.w23
  • %System Root%\temp\temp\Smrf.sys.w7
  • %System Root%\temp\temp\Smrf.sys.w7_x64
  • %System Root%\temp\temp\smrf.sys.w8
  • %System Root%\temp\temp\smrf.sys.w81
  • %System Root%\temp\temp\smrf.sys.w81_x64
  • %System Root%\temp\temp\smrf.sys.w8_x64
  • %System Root%\temp\temp\Smrf.sys.wxp
  • %System Root%\temp\temp\winet.ln_
  • %System Root%\temp\temp\WinNetDaily.dll
  • %System Root%\temp\temp\wmcDataBurner.exe
  • %System Root%\temp\temp\wmcEncryption.exe
  • %System Root%\temp\temp\wmcFTSlave.exe
  • %System Root%\temp\temp\wmcHook.dll
  • %System Root%\temp\temp\wmcHook64dll
  • %System Root%\temp\temp\wmcMemmgr.dll
  • %System Root%\temp\temp\wmcMemmgr64.dll
  • %System Root%\temp\temp\wmcProc.exe
  • %System Root%\temp\temp\wmcRCSlave.exe
  • %System Root%\temp\temp\wmcRMS.exe
  • %System Root%\temp\temp\wmcService.exe
  • %System Root%\temp\temp\wmcService64.exe
  • %System Root%\temp\temp\wmc5ystem.exe
  • %System Root%\temp\temp\wmcSystem64.exe
  • %System Root%\temp\temp\wmcUser.exe
  • %System Root%\temp\temp\XceedCry.dll
  • %System Root%\temp\wwnew.ver
  • %System Root%\Windows\debug\SMR\ManualUpdate2015{_systemdate}.log
  • %AppData%\Local\Temp\autBE3.tmp
  • %AppData%\Local\Temp\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6\wmcrms.exe
  • %User Temp%\SMR\hodll.1214005016
  • %User Temp%\SMR\Hook1.1214005016
  • %User Temp%\SMR\Hook2.1214005016
  • %User Temp%\SMR\wmLookProc.1214005016
  • %User Temp%\SMR\wmTakeHttp.1214005016
  • %User Temp%\SMR\wmTakeIM.1214005016
  • %User Temp%\SMR\wmLookProc64.1214005016
  • %User Temp%\SMR\WaterMark.1214005016
  • %User Temp%\SMR\wmcHook.1214005016
  • %User Temp%\SMR\wmcHook64.1214005016
  • %User Temp%\SMR\wmcMemmgr.1214005016
  • %User Temp%\SMR\wmcMemmgr64.1214005016
  • %User Temp%\SMR\wmcInvenLib.1214005016

Step 5

Search and delete these folders

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Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\temp
  • %System Root%\temp\temp
  • %System Root%\temp\temp\Policy
  • %System Root%\temp\temp\Policy\System
  • %User Temp%\5f6d5g9gg5er9g3h5uj4e6sjh6u22i4t6
  • %Windows%\debug\SMR
  • %Windows%\debug\SMR\RMSLog
  • %User Temp%\SMR
  • %User Temp%\SMRCV7

Step 6

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.WinMaster.A. 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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