Tofsee virus removal guide
What is Tofsee?
Tofsee (also known as Gheg) is a malicious Trojan-type program that is capable of performing DDoS attacks, mining cryptocurrency, sending emails, stealing various account credentials, updating itself, and more. Cyber criminals mainly use this program as an email-oriented tool (they target users' email accounts), however, having Tofsee installed can also lead to many other problems.
|Threat Type||Trojan, Password stealing virus, Banking malware, Spyware, Remote access trojan.|
|Detection Names (zgttwhzu.exe_)
||Avast (Win32:BankerX-gen [Trj]), AVG (Win32:BankerX-gen [Trj]), BitDefender (Gen:Variant.Ulise.34872), ESET-NOD32 (a variant of Win32/Kryptik.GRUQ), Kaspersky (), Full List (VirusTotal).|
|Malicious Process Name(s)||The analyzed sample ran a process with a blank name.|
|Symptoms||Trojans are designed to stealthily infiltrate the victim's computer and remain silent, and thus no particular symptoms are clearly visible on an infected machine.|
|Distribution methods||Infected email attachments, malicious online advertisements, social engineering, software cracks.|
|Damage||Stolen banking information, passwords, identity theft, victim's computer added to a botnet, additional system infections.|
|Malware Removal (Windows)||
To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Malwarebytes.
Tofsee is a powerful malicious program that can cause serious damage, including financial loss and computer infections. Cyber criminals use it to generate as much revenue as possible. The program is likely to install unintentionally and cause a number of problems for the system in question and other people too. The internet is full of Trojan-type malicious programs. Some other examples include Emotet, Adwind, Pony, and Trickbot. The main purpose of these programs is to steal personal data and cause additional computer infections.
How did Tofsee infiltrate my computer?
How to avoid installation of malware?
Attachments or links that are presented in emails received from unknown, suspicious addresses should not be opened. Furthermore, they are usually included in irrelevant emails and presented as official and important. Emails of this type should be ignored. Download software using official, trustworthy sources/websites (and direct download links) rather than the other sources mentioned above. Update software or operating systems using tools or implemented functions that are provided by official developers only. Do not use software cracking tools to activate installed programs. They are illegal (using them is classed as a cyber crime) and often infect computers. Have reputable anti-spyware or anti-virus software installed and enabled. These tools can prevent computer infection with viruses. If you believe that your computer is already infected, we recommend running a scan with Malwarebytes for Windows to automatically eliminate infiltrated malware.
Screenshot of the Tofsee using CPU resources:
Instant automatic malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Malwarebytes is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
How to remove malware manually?
Manual malware removal is a complicated task - usually it is best to allow antivirus or anti-malware programs to do this automatically. To remove this malware we recommend using Malwarebytes for Windows. If you wish to remove malware manually, the first step is to identify the name of the malware that you are trying to remove. Here is an example of a suspicious program running on a user's computer:
If you checked the list of programs running on your computer, for example, using task manager, and identified a program that looks suspicious, you should continue with these steps:
Download a program called Autoruns. This program shows auto-start applications, Registry, and file system locations:
Restart your computer into Safe Mode:
Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.
Video showing how to start Windows 7 in "Safe Mode with Networking":
Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.
Video showing how to start Windows 8 in "Safe Mode with Networking":
Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.
Video showing how to start Windows 10 in "Safe Mode with Networking":
Extract the downloaded archive and run the Autoruns.exe file.
In the Autoruns application, click "Options" at the top and uncheck the "Hide Empty Locations" and "Hide Windows Entries" options. After this procedure, click the "Refresh" icon.
Check the list provided by the Autoruns application and locate the malware file that you want to eliminate.
You should write down its full path and name. Note that some malware hides process names under legitimate Windows process names. At this stage, it is very important to avoid removing system files. After you locate the suspicious program you wish to remove, right click your mouse over its name and choose "Delete".
After removing the malware through the Autoruns application (this ensures that the malware will not run automatically on the next system startup), you should search for the malware name on your computer. Be sure to enable hidden files and folders before proceeding. If you find the filename of the malware, be sure to remove it.
Reboot your computer in normal mode. Following these steps should remove any malware from your computer. Note that manual threat removal requires advanced computer skills. If you do not have these skills, leave malware removal to antivirus and anti-malware programs. These steps might not work with advanced malware infections. As always it is best to prevent infection than try to remove malware later. To keep your computer safe, install the latest operating system updates and use antivirus software.
To be sure your computer is free of malware infections, we recommend scanning it with Malwarebytes for Windows.