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[Metallica]

Content is republished with permission from Malwarebytes.

What is TSS Power Update?

The Malwarebytes research team has determined that TSS Power Update is a Tech Support Scam. These so-called "Tech Support Scammers" try to trick you into calling their phone number for various reasons, all of which turn out to be fraudulent in the end.

How do I know if my computer is affected by TSS Power Update?

You may see this warning when the installer is run:



and see a browser window open to a yola site which has been closed down.

You will see a screen composed of these elements when the computer reboots:





and in the background a prompt for this download:



which would install this very similar pest.

How did TSS Power Update get on my computer?

Tech Support Scammers use different methods for distributing themselves. This particular one was offered a an Adobe Flash update.

How do I remove TSS Power Update?

Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted application, but due to the nature of the infection this will require a few extra steps.

• Note that the password for the prompt is 6257DCBF787DFE4, but it will almost certainly require several tries.
• Once you succeed, the text field of the prompt will be greyed out, at that point you can use Ctr-Alt-Del to access Taskmanager.
  
• End the processes called R.exe and fatalerror.exe. Then use Taskmanager to Run explorer.
• Leave Taskmanager open as you may have to End the process called R.exe again.
• Then continue with the instructions below.
• Please download Malwarebytes to your desktop.
• Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
• Then click Finish.
• Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
• If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
• When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
• Restart your computer when prompted to do so.

Is there anything else I need to do to get rid of TSS Power Update?

• No, Malwarebytes' Anti-Malware removes TSS Power Update completely.

How would the full version of Malwarebytes Anti-Malware help protect me?

We hope our application and this guide have helped you eradicate this hijacker.

As you can see below the full version of Malwarebytes would have protected you against the Tech Supprt Scam.



Technical details for experts

You may see these entries in FRST logs:

 HKLM-x32\...\Run: [L] => C:\Program Files (x86)\Power Update\R.exe [90112 2016-08-23] ()
 HKLM-x32\...\Winlogon: [Shell] C:\Program Files (x86)\Power Update\fatalerror.exe,C:\Program Files (x86)\Power Update\R.exe [90112 ] () <=== ATTENTION
 HKCU\...\Run: [AdobeFlash] => C:\Program Files (x86)\Power Update\Adobeflash.exe [24576 2016-08-19] ()
 HKCU\...\Run: [L] => C:\Program Files (x86)\Power Update\R.exe [90112 2016-08-23] ()
 HKCU\...\Winlogon: [Shell] C:\Program Files (x86)\Power Update\R.exe [90112 2016-08-23] () <==== ATTENTION
 C:\Program Files\Pc Optimizer
 C:\Program Files (x86)\Power Update
 C:\Program Files (x86)\Pc Optimizer

Alterations made by the installer:
 

File system details [View: All details] (Selection)
---------------------------------------------------
    Adds the folder C:\Program Files\Pc Optimizer\Pc Optimizer
       Adds the file Windows.exe"="8/13/2016 1:06 AM, 0 bytes, A
    Adds the folder C:\Program Files (x86)\Pc Optimizer\Pc Optimizer
       Adds the file Windows.exe"="8/13/2016 1:06 AM, 0 bytes, A
    Adds the folder C:\Program Files (x86)\Power Update
       Adds the file Adobeflash.exe"="8/19/2016 10:11 PM, 24576 bytes, A
       Adds the file ClearLock.ini"="8/10/2016 2:20 AM, 40 bytes, A
       Adds the file fatalerror.exe"="8/23/2016 11:50 PM, 820373 bytes, A
       Adds the file R.exe"="8/24/2016 12:11 AM, 90112 bytes, A
       Adds the file sr60.bat"="8/24/2016 12:17 AM, 186 bytes, A

Registry details [View: All details] (Selection)
------------------------------------------------
    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run]
       "L"="REG_SZ", "C:\Program Files (x86)\Power Update\R.exe"
    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon]
       "Shell" = REG_SZ, "C:\Program Files (x86)\Power Update\fatalerror.exe,C:\Program Files (x86)\Power Update\R.exe"
    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
       "AdobeFlash"="REG_SZ", "C:\Program Files (x86)\Power Update\Adobeflash.exe"
       "L"="REG_SZ", "C:\Program Files (x86)\Power Update\R.exe"
    [HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
       "Shell"="REG_SZ", "C:\Program Files (x86)\Power Update\fatalerror.exe,C:\Program Files (x86)\Power Update\R.exe"
    [HKEY_CURRENT_USER\Software\Power Update\Power Update]
       "Path"="REG_SZ", ""

Malwarebytes scan log:
 

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 12/19/16
Scan Time: 9:04 AM
Logfile: mbamPowerUpdate.txt
Administrator: Yes

-Software Information-
Version: 3.0.4.1269
Components Version: 1.0.39
Update Package Version: 1.0.784
License: Premium

-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: {computername}\{username}

-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 352049
Time Elapsed: 6 min, 40 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 5
Rogue.TechSupportScam, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|AdobeFlash, Delete-on-Reboot, [264], [319015],1.0.784
Rogue.TechSupportScam, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|L, Delete-on-Reboot, [264], [315581],1.0.784
Rogue.TechSupportScam, HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN|L, Delete-on-Reboot, [264], [315581],1.0.784
Trojan.Agent, HKCU\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON|SHELL, Delete-on-Reboot, [22], [222712],1.0.784
Hijack.Shell, HKLM\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON|SHELL, Replace-on-Reboot, [625], [308938],1.0.784

Data Stream: 0
(No malicious items detected)

Folder: 1
Rogue.TechSupportScam, C:\PROGRAM FILES (X86)\POWER UPDATE, Delete-on-Reboot, [264], [315581],1.0.784

File: 5
Rogue.TechSupportScam, C:\PROGRAM FILES (X86)\POWER UPDATE\ADOBEFLASH.EXE, Delete-on-Reboot, [264], [319015],1.0.784
Rogue.TechSupportScam, C:\PROGRAM FILES (X86)\POWER UPDATE\CLEARLOCK.INI, Delete-on-Reboot, [264], [315581],1.0.784
Rogue.TechSupportScam, C:\Program Files (x86)\Power Update\fatalerror.exe, Delete-on-Reboot, [264], [315581],1.0.784
Rogue.TechSupportScam, C:\Program Files (x86)\Power Update\R.exe, Delete-on-Reboot, [264], [315581],1.0.784
Rogue.TechSupportScam, C:\Program Files (x86)\Power Update\sr60.bat, Delete-on-Reboot, [264], [315581],1.0.784

Physical Sector: 0
(No malicious items detected)


(end)

As mentioned before the full version of Malwarebytes could have protected your computer against this threat.
We use different ways of protecting your computer(s):

• Dynamically Blocks Malware Sites & Servers
• Malware Execution Prevention

Save yourself the hassle and get protected.