TrojanDownloader:MSIL/DownExec.YA!MTB

What is TrojanDownloader:MSIL/DownExec.YA!MTB infection?

In this article you will certainly find about the meaning of TrojanDownloader:MSIL/DownExec.YA!MTB as well as its negative effect on your computer. Such ransomware are a form of malware that is elaborated by online frauds to require paying the ransom money by a target.

In the majority of the situations, TrojanDownloader:MSIL/DownExec.YA!MTB ransomware will certainly instruct its targets to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

TrojanDownloader:MSIL/DownExec.YA!MTB Summary

These modifications can be as adheres to:

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard drive — so the target can no longer utilize the information;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

TrojanDownloader:MSIL/DownExec.YA!MTB

The most regular networks through which TrojanDownloader:MSIL/DownExec.YA!MTB are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or avoid the gadget from functioning in a proper manner – while likewise placing a ransom note that points out the requirement for the victims to impact the repayment for the purpose of decrypting the papers or bring back the file system back to the first condition. In many circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

TrojanDownloader:MSIL/DownExec.YA!MTB circulation channels.

In various edges of the world, TrojanDownloader:MSIL/DownExec.YA!MTB expands by leaps and bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom quantity may differ relying on particular regional (regional) settings. The ransom money notes and also tricks of extorting the ransom quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s device. The sharp after that demands the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software program piracy is less prominent, this approach is not as reliable for the cyber fraudulences. Alternatively, the TrojanDownloader:MSIL/DownExec.YA!MTB popup alert might incorrectly declare to be originating from a police institution as well as will report having situated child pornography or various other prohibited information on the tool.

    TrojanDownloader:MSIL/DownExec.YA!MTB popup alert may incorrectly declare to be deriving from a legislation enforcement institution and also will certainly report having situated youngster porn or various other illegal information on the tool. The alert will similarly contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: B5DD2934md5: fef1116364a9d490f0328fb58a4677b1name: upload_filesha1: 2043a18ab381c80358355b1aed5ca8bc0e21afa6sha256: 039ebab7c1d8c4138ac72642a8c6b9b3d08fb085a405b1a0bf059c840b999e02sha512: 9d86d3310c3507c7979a6b8f418b467bd2eb8c2a98ae0e9f0c5288c56c05eeb5f6e45ae3d966a680b6ac03ec2d407ff581ab7ffb2032f5eb0b33d972f9f82737ssdeep: 48:6mhsQs66Ms+OejQxtaIDFmqmg5B6ohXJhfk/2pV6hEAPTHZWuX23eXHY2jGE2Wu:bs6x5OejuJFb4oxlxAPQFbxVsRxIzNttype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: altdriv.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: altdriv.exe

TrojanDownloader:MSIL/DownExec.YA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.Razy.538750
FireEye Generic.mg.fef1116364a9d490
ALYac Trojan.Downloader.Small
Cylance Unsafe
AegisLab Trojan.MSIL.Blocker.j!c
Sangfor Malware
K7AntiVirus Trojan-Downloader ( 0055cb171 )
BitDefender Gen:Variant.Razy.538750
K7GW Trojan-Downloader ( 0055cb171 )
Cybereason malicious.364a9d
Invincea heuristic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.CAU
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
Alibaba TrojanDownloader:MSIL/DownExec.8184d1d4
Rising Ransom.Blocker!8.12A (CLOUD)
Ad-Aware Gen:Variant.Razy.538750
Emsisoft Gen:Variant.Razy.538750 (B)
F-Secure Trojan.TR/Downloader.Gen8
DrWeb Trojan.DownloaderNET.61
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R014C0DGV20
Fortinet MSIL/Small.BXU!tr.dldr
Sophos Mal/Generic-S
SentinelOne DFI – Malicious PE
Cyren W32/Ransom.YIBK-0635
Avira TR/Downloader.Gen8
eGambit Unsafe.AI_Score_96%
MAX malware (ai score=100)
Endgame malicious (high confidence)
Arcabit Trojan.Razy.D8387E
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Blocker.gen
Microsoft TrojanDownloader:MSIL/DownExec.YA!MTB
Cynet Malicious (score: 90)
AhnLab-V3 Malware/Win32.RL_Generic.C3523901
McAfee Downloader-FCAO!FEF1116364A9
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Downloader
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Blocker.R014C0DGV20
Tencent Msil.Trojan.Blocker.Ejev
Ikarus Trojan-Downloader.MSIL.Small
MaxSecure Trojan.Malware.300983.susgen
GData Gen:Variant.Razy.538750
BitDefenderTheta Gen:NN.ZemsilF.34152.am0@aioqfHh
AVG Win32:DropperX-gen [Drp]
Avast Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.Ransom.8af

How to remove TrojanDownloader:MSIL/DownExec.YA!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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove TrojanDownloader:MSIL/DownExec.YA!MTB you can always ask me in the comments for getting help.

References

    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.

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