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Removal instructions for Regfixer Offer TSS

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Metallica

Metallica

    Spyware Veteran

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Content is republished with permission from Malwarebytes.

What is Regfixer Offer TSS?

The Malwarebytes research team has determined that Regfixer Offer TSS 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 Regfixer Offer TSS?

You will see this screen immediately after running the file and when the computer boots:

main.png

How did Regfixer Offer TSS get on my computer?

Tech Support Scammers use different methods for distributing themselves. This particular one was offered as a free version of Regfixer.
But it only installs files that will produce a fake Windows warning screen with the Tech Support Scammers number.

How do I remove Regfixer Offer TSS?

Our program Malwarebytes Anti-Malware can detect and remove this potentially unwanted application, but due to the nature of the infection it takes some extra steps.
The screenlocker keeps grabbing focus so it's virtually impossible to make use of Task Manager. So the easiest option is to reboot into Safe Mode with Networking and then follow the instructions below.
  • Please download Malwarebytes Anti-Malware to your desktop.
  • Double-click mbam-setup-{version}.exe and follow the prompts to install the program.
  • At the end, be sure a check-mark is placed next to:
    Launch Malwarebytes Anti-Malware
  • Then click Finish.
  • Once the program has loaded, select Scan Now. Or select the Threat Scan from the Scan menu.
  • If an update 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 Regfixer Offer TSS?
  • No, Malwarebytes' Anti-Malware removes Regfixer Offer TSS 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 Anti-Malware would have protected you against the Tech Supprt Scam.

protection1.png


Technical details for experts

You may see these entries in FRST logs:

 Startup: C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FreeDownloadmanager.exe [2016-08-26] ()
 Startup: C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tascmgr.exe.lnk [2016-08-26]
 ShortcutTarget: tascmgr.exe.lnk -> C:\Users\{username}\AppData\Roaming\MicrosoftExch\tascmgr.exe ()
Alterations made by the installer:

File system details [View: All details] (Selection)
---------------------------------------------------
    In the existing folder C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
       Adds the file FreeDownloadmanager.exe"="8/26/2016 8:47 AM, 545280 bytes, A
       Adds the file tascmgr.exe.lnk"="8/26/2016 8:51 AM, 1073 bytes, A
    Adds the folder C:\Users\{username}\AppData\Roaming\MicrosoftExch
       Adds the file installdetails.txt"="8/26/2016 8:48 AM, 0 bytes, A
       Adds the file Interop.IWshRuntimeLibrary.dll"="8/26/2016 8:47 AM, 49152 bytes, A
       Adds the file Interop.Scripting.dll"="8/26/2016 8:47 AM, 32768 bytes, A
       Adds the file PlatformInfo.dll"="8/26/2016 8:47 AM, 27136 bytes, A
       Adds the file tascmgr.exe"="8/26/2016 8:47 AM, 78336 bytes, A
       Adds the file tascmgr.exe.config"="8/26/2016 8:47 AM, 643 bytes, A
Malwarebytes Anti-Malware log:

Malwarebytes Anti-Malware
www.malwarebytes.org

Scan Date: 8/26/2016
Scan Time: 9:01 AM
Logfile: mbamRegfixOffer.txt
Administrator: Yes

Version: 2.2.1.1043
Malware Database: v2016.08.26.04
Rootkit Database: v2016.08.15.01
License: Premium
Malware Protection: Disabled
Malicious Website Protection: Disabled
Self-protection: Disabled

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

Scan Type: Threat Scan
Result: Completed
Objects Scanned: 318476
Time Elapsed: 8 min, 18 sec

Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

Processes: 0
(No malicious items detected)

Modules: 0
(No malicious items detected)

Registry Keys: 0
(No malicious items detected)

Registry Values: 0
(No malicious items detected)

Registry Data[b]:[/b] 0
(No malicious items detected)

Folders: 1
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 

Files: 12
Backdoor.Bot, C:\Users\{username}\AppData\Roaming\MicrosoftExch\tascmgr.exe, Quarantined, [7c30cb84405a1c1a0f12cff80103ab55], 
Trojan.Injector, C:\Users\{username}\Desktop\FreeDownloadmanager.exe, Quarantined, [78344807f6a4cc6abb030dcc9470629e], 
Trojan.Downloader, C:\Users\{username}\Desktop\regfixer_offer.exe, Quarantined, [4d5fa5aab0ea62d4d608835563a19769], 
Backdoor.Bot, C:\Users\{username}\Desktop\tascmgr.exe, Quarantined, [6b41d07f4e4c3cfaa47db116996bc33d], 
Trojan.Injector, C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FreeDownloadmanager.exe, Quarantined, [5b51aba49505d561734bfedbc242f10f], 
PUP.Optional.FreeDownloadManager, C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FreeDownloadmanager.exe, Quarantined, [119bbd926d2d44f227cfaf110cf835cb], 
Trojan.TechSupportScam, C:\Users\{username}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tascmgr.exe.lnk, Quarantined, [ecc06ce366345cda1264cff24db7f60a], 
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch\tascmgr.exe.config, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch\installdetails.txt, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch\Interop.IWshRuntimeLibrary.dll, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch\Interop.Scripting.dll, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 
Rogue.TechSupportScam, C:\Users\{username}\AppData\Roaming\MicrosoftExch\PlatformInfo.dll, Quarantined, [0d9f9fb06139f343b243c6092dd7ba46], 

Physical Sectors: 0
(No malicious items detected)


(end)
As mentioned before the full version of Malwarebytes Anti-Malware 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.
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