Backdoor:Win32/Tofsee.MAK!MTB

Seeing the Backdoor:Win32/Tofsee.MAK!MTB malware detection usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.

Backdoor:Win32/Tofsee.MAK!MTB detection is a malware detection you can spectate in your computer. It usually appears after the provoking actions on your PC – opening the untrustworthy email, clicking the advertisement in the Web or setting up the program from suspicious resources. From the second it shows up, you have a short time to act before it starts its harmful action. And be sure – it is much better not to wait for these malicious things.

What is Backdoor:Win32/Tofsee.MAK!MTB virus?

Backdoor:Win32/Tofsee.MAK!MTB Summary

In summary, Backdoor:Win32/Tofsee.MAK!MTB malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Finnish;
  • Authenticode signature is invalid;
  • Enumerates services, possibly for anti-virtualization;
  • Encrypting the files kept on the target’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a headache for the last 4 years. It is hard to realize a more harmful virus for both individual users and organizations. The algorithms utilized in Backdoor:Win32/Tofsee.MAK!MTB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy currently exists, and possibly will exist. But that virus does not do all these horrible things immediately – it may require up to several hours to cipher all of your documents. Therefore, seeing the Backdoor:Win32/Tofsee.MAK!MTB detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Backdoor:Win32/Tofsee.MAK!MTB?

Standard methods of Backdoor:Win32/Tofsee.MAK!MTB injection are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download the free software, so-called bait emails and hacktools. Bait emails are a pretty modern tactic in malware distribution – you get the email that imitates some standard notifications about shipments or bank service conditions updates. Inside of the e-mail, there is a corrupted MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite simple, however, still requires tons of focus. Malware can hide in different spots, and it is better to prevent it even before it invades your PC than to rely on an anti-malware program. Basic cybersecurity awareness is just an essential item in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can keep you a great deal of time and money which you would spend while trying to find a fix guide.

Backdoor:Win32/Tofsee.MAK!MTB malware technical details

File Info:

name: 7D21A9C56A33B494D419.mlwpath: /opt/CAPEv2/storage/binaries/0ec80388167bda82f8c5ec92358580aa080a0d1f729f5e74ef8f4296ab881194crc32: 5EB2BBEAmd5: 7d21a9c56a33b494d419690c69a380c9sha1: a3dc1b8718d04bc3a847ec2779b366f22b243371sha256: 0ec80388167bda82f8c5ec92358580aa080a0d1f729f5e74ef8f4296ab881194sha512: ed2c065353b8e762ccbf9d98fcc3788a61d5851cce3afeca394effbedba966a0dbf959f9f1b37fd02750b97612f8fca5971b941ddeb1b3328da5d8696956ddfdssdeep: 3072:hWgJ8fOL35NZqcI5Khfp4thS5OQeiEgjfCPXIsxkgaBChXHXy3:hWgOOL3HZZhRwcUQe8TCPX1igaQtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E454BE10FA90C872C4810E7C9425CBE15A3FBD715A649547F7A8BBAF2F322E06376356sha3_384: 0b3eaea6c58ed75da4f312a1aa610a215b3eff551902b09c3dababc9d16b0965a2ec3f8b6fcbc5ada3b652314a24e00aep_bytes: e863430000e979feffff8bff51c70130timestamp: 2021-05-10 19:21:31

Version Info:

FileVersion: 21.79.11.69InternationalName: pomgveoci.iweCopyright: Copyrighz (C) 2021, fudkortaTranslations: 0x0127 0x010f

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

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Fragtor.57889
FireEye Generic.mg.7d21a9c56a33b494
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0053d5971 )
K7AntiVirus Trojan ( 0053d5971 )
BitDefenderTheta Gen:NN.ZexaF.34182.rq0@a88V3viK
Cyren W32/Agent.EBM.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.HOGO
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Gen:Variant.Fragtor.57889
Avast Win32:CrypterX-gen [Trj]
Emsisoft Gen:Variant.Fragtor.57889 (B)
McAfee-GW-Edition Packed-GDT!7D21A9C56A33
Sophos ML/PE-A + Mal/Agent-AWV
Ikarus Packed.Win32.Crypt
MAX malware (ai score=88)
Microsoft Backdoor:Win32/Tofsee.MAK!MTB
GData Gen:Variant.Fragtor.57889
Cynet Malicious (score: 100)
AhnLab-V3 Infostealer/Win.SmokeLoader.R470642
McAfee Packed-GDT!7D21A9C56A33
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Heuristic!ET#91% (RDMK:cmRtazrk9f1DqDg7Y0F+mLb7sBHg)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.ERHN!tr
AVG Win32:CrypterX-gen [Trj]
Panda Trj/Genetic.gen

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

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

Leave a Comment