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The Daily Insight

Trojan:MSIL/AgentTesla.EFQ!MTB

Author

Olivia Norman

Updated on April 12, 2026

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:

LionicTrojan.MSIL.Blocker.j!c
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop19.27871
MicroWorld-eScanTrojan.Ransom.GenericKD.38917073
FireEyeGeneric.mg.61cac95c566cbcdb
McAfeeRDN/NanoCore
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
AlibabaTrojan:Win32/starter.ali1000139
K7GWTrojan ( 0058e19d1 )
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderThetaGen:NN.ZemsilF.34232.0m0@a4wAZQc
CyrenW32/MSIL_Kryptik.GOH.gen!Eldorado
SymantecScr.Malcode!gdn34
tehtrisGeneric.Malware
ESET-NOD32a variant of MSIL/GenKryptik.FQON
TrendMicro-HouseCallTROJ_FRS.0NA103B922
Paloaltogeneric.ml
ClamAVWin.Packed.Trojanx-9938673-0
KasperskyHEUR:Trojan-Ransom.MSIL.Blocker.gen
BitDefenderTrojan.Ransom.GenericKD.38917073
AvastWin32:TrojanX-gen [Trj]
Ad-AwareTrojan.Ransom.GenericKD.38917073
SophosMal/Generic-R + Troj/Krypt-HC
ComodoMalware@#2nr2eam20qbad
ZillyaTrojan.GenKryptik.Win32.131862
TrendMicroTROJ_FRS.0NA103B922
McAfee-GW-EditionBehavesLike.Win32.Fareit.cc
SentinelOneStatic AI – Malicious PE
Trapminemalicious.moderate.ml.score
EmsisoftTrojan.Agent (A)
IkarusTrojan-Spy.Agent
GDataTrojan.Ransom.GenericKD.38917073
WebrootW32.Trojan.Gen
AviraTR/Dropper.MSIL.mfxsy
Antiy-AVLTrojan[Ransom]/MSIL.Blocker
KingsoftWin32.Troj.Undef.(kcloud)
ArcabitTrojan.Ransom.Generic.D251D3D1
ViRobotTrojan.Win32.Z.Woreflint.858112
ZoneAlarmHEUR:Trojan-Ransom.MSIL.Blocker.gen
MicrosoftTrojan:MSIL/AgentTesla.EFQ!MTB
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.C4959077
VBA32CIL.HeapOverride.Heur
ALYacTrojan.Ransom.GenericKD.38917073
MAXmalware (ai score=82)
MalwarebytesTrojan.Crypt.MSIL
APEXMalicious
Rising (RDM.MSIL:LKztMHwE5WXAaqaBm9I9jg)
YandexTrojan.Igent.bXrjX7.41
eGambitGeneric.Malware
FortinetMSIL/GenKryptik.FQON!tr
AVGWin32:TrojanX-gen [Trj]
Cybereasonmalicious.df0f0a
PandaTrj/CI.A
MaxSecureTrojan.Malware.73689294.susgen

How to remove Trojan:MSIL/AgentTesla.EFQ!MTB?

Trojan:MSIL/AgentTesla.EFQ!MTB malware is very hard to erase manually. It puts its data in numerous places throughout the disk, and can get back itself from one of the parts. In addition, various modifications in the windows registry, networking setups and Group Policies are quite hard to locate and revert to the original. It is much better to make use of a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated nearly every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for eliminating malware of any form.

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