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The Daily Insight

Ransom:Win32/FileCryptor.MAK!MTB

Author

Daniel Foster

Updated on March 18, 2026

Ransom:Win32/FileCryptor.MAK!MTB detection is a malware detection you can spectate in your system. It often appears after the provoking procedures on your computer – opening the suspicious email, clicking the advertisement in the Web or mounting the program from untrustworthy sources. From the instance it shows up, you have a short time to do something about it until it starts its malicious activity. And be sure – it is better not to wait for these malicious things.

What is Ransom:Win32/FileCryptor.MAK!MTB virus?

Ransom:Win32/FileCryptor.MAK!MTB is ransomware-type malware. It searches for the documents on your disk drive, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware additionally does a lot of damage to your system. It modifies the networking settings in order to stop you from reading the elimination guidelines or downloading the anti-malware program. In rare cases, Ransom:Win32/FileCryptor.MAK!MTB can also stop the launching of anti-malware programs.

Ransom:Win32/FileCryptor.MAK!MTB Summary

In summary, Ransom:Win32/FileCryptor.MAK!MTB virus actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Queries information on disks, possibly for anti-virtualization;
  • Ciphering the documents kept on the victim’s drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a headache for the last 4 years. It is difficult to imagine a more hazardous malware for both individuals and companies. The algorithms used in Ransom:Win32/FileCryptor.MAK!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. But that virus does not do all these bad things immediately – it can take up to several hours to cipher all of your documents. Thus, seeing the Ransom:Win32/FileCryptor.MAK!MTB detection is a clear signal that you need to start the removal process.

Where did I get the Ransom:Win32/FileCryptor.MAK!MTB?

Routine tactics of Ransom:Win32/FileCryptor.MAK!MTB spreading are basic for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite new method in malware spreading – you receive the e-mail that imitates some regular notifications about shippings or bank service conditions shifts. Within the email, there is a malicious MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks quite easy, but still requires a lot of recognition. Malware can hide in different spots, and it is far better to prevent it even before it invades your computer than to rely upon an anti-malware program. Essential cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of time and money which you would spend while seeking a fix guide.

Ransom:Win32/FileCryptor.MAK!MTB malware technical details

File Info:

name: C321B2F3EC119AB8E33C.mlwpath: /opt/CAPEv2/storage/binaries/e72db54eea9cacd5aeb58929c6f0937a3d9fb00e5754c1381b16523c51114cf1crc32: FE1BEAB2md5: c321b2f3ec119ab8e33ccf2cc5c9b5dasha1: 38b4de677e451ed1cf1e78f6bec49a29332248cdsha256: e72db54eea9cacd5aeb58929c6f0937a3d9fb00e5754c1381b16523c51114cf1sha512: 8017f9cb3180ce99542cf32db89e378a2d3666518012d808c56d01c74343d94687cb7e2beb89c5d09af10dc9c99e4772e0e5445858811d3fe3dd004875ff9309ssdeep: 1536:tFtxVPsZvOyYRBcMnFsyTMaFYvLadQpfwsjYRS:BxCnqxFFTpqLUTRStype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T1BD43012E7F35133AC5D00F76189FA41BCAA0DB2492A3ABF6C78F039E7116085A756747sha3_384: 1254f8b72cc65baa79859e30dc951bac55baf93c79a069fde61874a73ca9e98e468098e83b690afefab8c887fc6fa763ep_bytes: 6a00e889ffffff33c0c2040000000000timestamp: 2021-09-04 18:00:27

Version Info:

0: [No Data]

Ransom:Win32/FileCryptor.MAK!MTB also known as:

LionicTrojan.Win32.Cryptor.j!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Barys.247623
FireEyeGeneric.mg.c321b2f3ec119ab8
McAfeeGenericRXQS-VX!C321B2F3EC11
CylanceUnsafe
SangforRansom.Win32.Cryptor.gen
K7AntiVirusTrojan ( 0058ac911 )
AlibabaRansom:Win32/FileCryptor.2687728f
K7GWTrojan ( 0058ac911 )
Cybereasonmalicious.3ec119
BitDefenderThetaAI:Packer.456DD6081E
CyrenW32/Filecoder.CM.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.OJD
TrendMicro-HouseCallTROJ_FRS.0NA103B222
Paloaltogeneric.ml
ClamAVWin.Ransomware.Sugar-9938412-0
KasperskyTrojan-Ransom.Win32.Cryptor.fds
BitDefenderGen:Variant.Barys.247623
AvastWin32:Malware-gen
TencentWin32.Trojan.Filecoder.Svgr
Ad-AwareGen:Variant.Barys.247623
TrendMicroTROJ_FRS.0NA103B222
SentinelOneStatic AI – Malicious PE
EmsisoftGen:Variant.Barys.247623 (B)
IkarusTrojan-Ransom.FileCrypter
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Generic.ASMalwS.34D6DB3
MicrosoftRansom:Win32/FileCryptor.MAK!MTB
GDataGen:Variant.Barys.247623
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.C4525901
Acronissuspicious
VBA32BScope.TrojanRansom.Cryptor
ALYacGen:Variant.Barys.247623
TACHYONRansom/W32.Enc.59392
MalwarebytesMalware.AI.439913036
APEXMalicious
RisingRansom.Cryptor!8.10A9 (CLOUD)
MAXmalware (ai score=87)
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Filecoder.OJD!tr.ransom
AVGWin32:Malware-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_90% (W)

How to remove Ransom:Win32/FileCryptor.MAK!MTB?

Ransom:Win32/FileCryptor.MAK!MTB malware is incredibly difficult to remove by hand. It puts its files in multiple places throughout the disk, and can recover itself from one of the elements. Additionally, a number of changes in the registry, networking configurations and also Group Policies are pretty hard to discover and return to the original. It is much better to utilize a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal objectives.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated almost every hour. Moreover, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for eliminating malware of any type.

Download GridinSoft Anti-Malware

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process
  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results
  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning