What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Backdoor:Win32/Tofsee.BA!MTB infection?

In this short article you will certainly find concerning the definition of Backdoor:Win32/Tofsee.BA!MTB as well as its negative effect on your computer system. Such ransomware are a type of malware that is clarified by on-line frauds to require paying the ransom by a victim.

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Most of the instances, Backdoor:Win32/Tofsee.BA!MTB virus will certainly advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually introduced to the victim’s device.

Backdoor:Win32/Tofsee.BA!MTB Summary

These adjustments can be as complies with:

  • Unconventionial language used in binary resources: Armenian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s disk drive — so the victim can no more utilize the data;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains Ransom.Stop.MP4 Ransom.Stop.MP4


The most normal networks where Backdoor:Win32/Tofsee.BA!MTB Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of customer ending up on a source that holds a harmful software;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s computer or stop the device from operating in a proper manner – while additionally placing a ransom money note that states the need for the targets to effect the payment for the function of decrypting the files or recovering the data system back to the preliminary condition. In a lot of circumstances, the ransom note will show up when the client reboots the COMPUTER after the system has already been harmed.

Backdoor:Win32/Tofsee.BA!MTB circulation channels.

In different corners of the world, Backdoor:Win32/Tofsee.BA!MTB expands by leaps as well as bounds. However, the ransom money notes as well as tricks of extorting the ransom money amount might vary relying on particular regional (local) setups. The ransom notes as well as techniques of extorting the ransom quantity may vary depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the victim’s gadget. The alert then requires the customer to pay the ransom.

    Faulty statements regarding prohibited web content.

    In nations where software application piracy is less popular, this technique is not as reliable for the cyber fraudulences. Conversely, the Backdoor:Win32/Tofsee.BA!MTB popup alert may wrongly assert to be deriving from a law enforcement establishment and will report having situated youngster porn or various other prohibited information on the tool.

    Backdoor:Win32/Tofsee.BA!MTB popup alert may incorrectly assert to be deriving from a regulation enforcement establishment and also will report having located youngster porn or various other prohibited data on the tool. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 513C165A
md5: 4d9c6a50e3a296f4eccb450aa97ac34b
name: build.exe
sha1: e860fff60ac1bebae67463e335f9800c6460136f
sha256: 436b22bb2341d2d123c746da8ff4c1ed600bc8668baaa042cb50a3c5a220034c
sha512: db32d40fa5de9b759ac13337d459666faec91512584e2182890e6aef45b190cb01aeedc94699cffe5b0b70e7b254f2b2d4e122c21d2636793ca7f506a1c80f60
ssdeep: 12288:Fd/b2Xc+USdkv2mY7GkpELyl5UhKKcLa4tFiVI9B/J:n/b2s+USwfYEyl5UhKSKFiIBh
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Tofsee.BA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.42095651
CAT-QuickHeal Ransom.Stop.MP4
ALYac Trojan.GenericKD.42095651
Malwarebytes Trojan.MalPack.GS
Zillya Trojan.Chapak.Win32.85178
AegisLab Trojan.Win32.Chapak.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.42095651
K7GW Riskware ( 0040eff71 )
Cybereason malicious.60ac1b
BitDefenderTheta Gen:NN.ZexaF.33550.CyW@a4BOuxnG
Cyren W32/Trojan.CKTQ-8537
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky Trojan.Win32.Chapak.eggf
Rising Trojan.Kryptik!1.BFC8 (CLASSIC)
Ad-Aware Trojan.GenericKD.42095651
Sophos Mal/Generic-S
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Emsisoft Trojan.GenericKD.42095651 (B)
MAX malware (ai score=81)
Antiy-AVL Trojan/Win32.Chapak
Microsoft Backdoor:Win32/Tofsee.BA!MTB
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D2825423
ViRobot Trojan.Win32.Z.Highconfidence.470528.C
ZoneAlarm Trojan.Win32.Chapak.eggf
GData Trojan.GenericKD.42095651
AhnLab-V3 Malware/Win32.RL_Generic.R303401
Acronis suspicious
McAfee RDN/Generic.grp
VBA32 BScope.Backdoor.Agent
Cylance Unsafe
ESET-NOD32 a variant of Win32/GenKryptik.DZOZ
TrendMicro-HouseCall TROJ_GEN.R002C0PLA19
Ikarus Trojan.Win32.Krypt
Fortinet W32/GenKryptik.DZOZ!tr
AVG Win32:TrojanX-gen [Trj]
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.8a7

How to remove Backdoor:Win32/Tofsee.BA!MTB ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the install-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Backdoor:Win32/Tofsee.BA!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Backdoor:Win32/Tofsee.BA!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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