Trojan:MSIL/AgentTesla.EFQ!MTB

Seeing the Trojan:MSIL/AgentTesla.EFQ!MTB detection name usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

Trojan:MSIL/AgentTesla.EFQ!MTB detection is a malware detection you can spectate in your system. It usually appears after the preliminary actions on your computer – opening the dubious email messages, clicking the advertisement in the Web or installing the program from suspicious resources. From the second it shows up, you have a short time to act before it starts its destructive action. And be sure – it is better not to wait for these malicious actions.

What is Trojan:MSIL/AgentTesla.EFQ!MTB virus?

Trojan:MSIL/AgentTesla.EFQ!MTB is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It alters the networking setups in order to prevent you from reading the removal guidelines or downloading the antivirus. In some cases, Trojan:MSIL/AgentTesla.EFQ!MTB can also prevent the launching of anti-malware programs.

Trojan:MSIL/AgentTesla.EFQ!MTB Summary

In summary, Trojan:MSIL/AgentTesla.EFQ!MTB ransomware actions in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Encrypting the files located on the victim’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is hard to realize a more damaging malware for both individual users and companies. The algorithms utilized in Trojan:MSIL/AgentTesla.EFQ!MTB (generally, 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. However, that malware does not do all these horrible things immediately – it may take up to a few hours to cipher all of your documents. Hence, seeing the Trojan:MSIL/AgentTesla.EFQ!MTB detection is a clear signal that you have to start the removal procedure.

Where did I get the Trojan:MSIL/AgentTesla.EFQ!MTB?

Standard tactics of Trojan:MSIL/AgentTesla.EFQ!MTB distribution are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a pretty modern strategy in malware distribution – you receive the email that mimics some standard notifications about shippings or bank service conditions shifts. Inside of the email, there is a malicious MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks quite easy, however, still demands a lot of awareness. Malware can hide in different places, and it is much better to prevent it even before it invades your system than to depend on an anti-malware program. Essential cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can keep you a lot of time and money which you would spend while looking for a fix guide.

Trojan:MSIL/AgentTesla.EFQ!MTB malware technical details

File Info:

name: 61CAC95C566CBCDB53C3.mlwpath: /opt/CAPEv2/storage/binaries/0f32fcee5fe0e98a2f219eac2c9b9c19cbb2f48660a676a0992bf38c59cdf153crc32: F4CAD2CAmd5: 61cac95c566cbcdb53c3c19434bcfe35sha1: a609113df0f0abf850af0db03451e376b953b688sha256: 0f32fcee5fe0e98a2f219eac2c9b9c19cbb2f48660a676a0992bf38c59cdf153sha512: f74e24e9cb499215958816416d967a2a338a9fa063ba7b9514316db8fb2f393f2052540602935d5d789666b9339ee9eb2efc1a60e4d11fbb7cdc349950a627a6ssdeep: 12288:cCyjldPpMDMYdXMl2cu/YPUxpJrE52hNW0KMzoSosS7IzK2mL4KNBqi56/D40qYh:crdBuh236xpJc2Dlhot7IzKBL7Bqicktype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14905D0AC3195B5EEC41BCD32DA683C60A63031B787CBC203A12716989E5DA6BDF144F7sha3_384: 591e7651345ec025ff0d70f6ad91c74bb134057ad703f2b33efa095cbf6393fb31c02a14f95af8e598be1bc2e3d38881ep_bytes: ff250020400000000000000000000000timestamp: 2022-02-07 07:06:19

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: GantosFileDescription: ChairmanFileVersion: 2.0.0.0InternalName: TypeLimitingDeserializationBind.exeLegalCopyright: Gantos 2022 (C)LegalTrademarks: ChairmanOriginalFilename: TypeLimitingDeserializationBind.exeProductName: ChairmanProductVersion: 2.0.0.0Assembly Version: 2.0.4.0

Trojan:MSIL/AgentTesla.EFQ!MTB also known as:

Lionic Trojan.MSIL.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop19.27871
MicroWorld-eScan Trojan.Ransom.GenericKD.38917073
FireEye Generic.mg.61cac95c566cbcdb
McAfee RDN/NanoCore
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Trojan:Win32/starter.ali1000139
K7GW Trojan ( 0058e19d1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZemsilF.34232.0m0@a4wAZQc
Cyren W32/MSIL_Kryptik.GOH.gen!Eldorado
Symantec Scr.Malcode!gdn34
tehtris Generic.Malware
ESET-NOD32 a variant of MSIL/GenKryptik.FQON
TrendMicro-HouseCall TROJ_FRS.0NA103B922
Paloalto generic.ml
ClamAV Win.Packed.Trojanx-9938673-0
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
BitDefender Trojan.Ransom.GenericKD.38917073
Avast Win32:TrojanX-gen [Trj]
Ad-Aware Trojan.Ransom.GenericKD.38917073
Sophos Mal/Generic-R + Troj/Krypt-HC
Comodo Malware@#2nr2eam20qbad
Zillya Trojan.GenKryptik.Win32.131862
TrendMicro TROJ_FRS.0NA103B922
McAfee-GW-Edition BehavesLike.Win32.Fareit.cc
SentinelOne Static AI – Malicious PE
Trapmine malicious.moderate.ml.score
Emsisoft Trojan.Agent (A)
Ikarus Trojan-Spy.Agent
GData Trojan.Ransom.GenericKD.38917073
Webroot W32.Trojan.Gen
Avira TR/Dropper.MSIL.mfxsy
Antiy-AVL Trojan[Ransom]/MSIL.Blocker
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.Ransom.Generic.D251D3D1
ViRobot Trojan.Win32.Z.Woreflint.858112
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Blocker.gen
Microsoft Trojan:MSIL/AgentTesla.EFQ!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4959077
VBA32 CIL.HeapOverride.Heur
ALYac Trojan.Ransom.GenericKD.38917073
MAX malware (ai score=82)
Malwarebytes Trojan.Crypt.MSIL
APEX Malicious
Rising Malware.Obfus/[email protected] (RDM.MSIL:LKztMHwE5WXAaqaBm9I9jg)
Yandex Trojan.Igent.bXrjX7.41
eGambit Generic.Malware
Fortinet MSIL/GenKryptik.FQON!tr
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.df0f0a
Panda Trj/CI.A
MaxSecure Trojan.Malware.73689294.susgen

How to remove Trojan:MSIL/AgentTesla.EFQ!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