Trojan:MSIL/FormBook.AF!MTB Virus Removal

Seeing the Trojan:MSIL/FormBook.AF!MTB malware detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be taken as soon as possible.

Trojan:MSIL/FormBook.AF!MTB detection is a malware detection you can spectate in your system. It frequently shows up after the provoking procedures on your computer – opening the dubious e-mail, clicking the banner in the Internet or setting up the program from dubious sources. From the instance it shows up, you have a short time to take action before it begins its harmful action. And be sure – it is better not to wait for these destructive effects.

What is Trojan:MSIL/FormBook.AF!MTB virus?

Trojan:MSIL/FormBook.AF!MTB Summary

In total, Trojan:MSIL/FormBook.AF!MTB malware actions in the infected computer are next:

  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Ciphering the files located on the victim’s disk 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 actually been a major problem for the last 4 years. It is challenging to imagine a more damaging malware for both individual users and organizations. The algorithms used in Trojan:MSIL/FormBook.AF!MTB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these unpleasant things instantly – it may require up to several hours to cipher all of your documents. Thus, seeing the Trojan:MSIL/FormBook.AF!MTB detection is a clear signal that you have to start the removal process.

Where did I get the Trojan:MSIL/FormBook.AF!MTB?

General methods of Trojan:MSIL/FormBook.AF!MTB injection are common for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a pretty new tactic in malware distribution – you receive the email that mimics some regular notifications about shippings or bank service conditions changes. Inside of the email, there is an infected 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 pretty uncomplicated, but still demands a lot of focus. Malware can hide in different spots, and it is better to prevent it even before it invades your system than to trust in an anti-malware program. General cybersecurity knowledge is just an essential thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may keep you a great deal of money and time which you would spend while trying to find a fixing guide.

Trojan:MSIL/FormBook.AF!MTB malware technical details

File Info:

name: 0DD3E5DF6B02A1284B96.mlwpath: /opt/CAPEv2/storage/binaries/67695470958912e6724c51eed1dc8b996b91bc926c3e0428a3d0637c6ed2ba53crc32: 521A4CE5md5: 0dd3e5df6b02a1284b961a09ff61e10esha1: 73921e6dbf031e0cf0366d6c541e8313f3177466sha256: 67695470958912e6724c51eed1dc8b996b91bc926c3e0428a3d0637c6ed2ba53sha512: 57b4198ad12d8af8942fa5e3bf3b3a573e99aec241dfdeaf801f77cf7e2993eec53f720594254241f7b02ba9ab51f51c750ed7da6a5dd00f063e1b3208f2b020ssdeep: 12288:J2h5/JA69MUVcwzlYe/548t3Ccongn4ROeprWax2cHss/S+Pfc42xtAq:MwVU9q8Pesax2cHs6SqU42nAqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13AF41216752C5B19E3BD3B7270A453603B617F3124A3E25EADC8B5CB96337928E32523sha3_384: 6ff03ffd9452ab0a9d036cc8e1cb3e33e2bbbde5d28d95acd63a966d87b226fa364c56c084cad4df66419b22c37847afep_bytes: ff250020400000000000000000000000timestamp: 2049-01-06 19:44:26

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: TestFirstWFappFileVersion: 1.0.0.0InternalName: iITZ.exeLegalCopyright: Copyright © 2019LegalTrademarks: OriginalFilename: iITZ.exeProductName: TestFirstWFappProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

Trojan:MSIL/FormBook.AF!MTB also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.Win32.Taskun.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Ransom.Loki.1445
FireEye Gen:Variant.Ransom.Loki.1445
Skyhigh BehavesLike.Win32.Generic.bc
McAfee RDN/Formbook
Cylance unsafe
Sangfor Phishing.Win32.Save.DotNet
K7AntiVirus Trojan ( 0059cb781 )
Alibaba TrojanPSW:MSIL/AgentTesla.fc68a9e9
K7GW Trojan ( 0059cb781 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.Ransom.Loki.D5A5
Symantec MSIL.Packed.32
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Kryptik.AHNH
APEX Malicious
ClamAV Win.Dropper.Formbook-9982291-0
Kaspersky HEUR:Trojan-PSW.MSIL.Agensla.gen
BitDefender Gen:Variant.Ransom.Loki.1445
NANO-Antivirus Trojan.Win32.Agensla.jtzldm
Avast Win32:PWSX-gen [Trj]
Tencent Msil.Trojan-QQPass.QQRob.Tgil
Sophos Troj/Krypt-TU
F-Secure Heuristic.HEUR/AGEN.1306060
DrWeb Trojan.PackedNET.738
VIPRE Gen:Variant.Ransom.Loki.1445
Emsisoft Gen:Variant.Ransom.Loki.1445 (B)
Ikarus Trojan.MSIL.Crypt
Google Detected
Avira HEUR/AGEN.1306060
Varist W32/MSIL_Kryptik.IOL.gen!Eldorado
Antiy-AVL Trojan/MSIL.Taskun
Kingsoft MSIL.Trojan-PSW.Agensla.gen
Xcitium Malware@#38i2ppzazz2cb
Microsoft Trojan:MSIL/FormBook.AF!MTB
ZoneAlarm HEUR:Trojan-PSW.MSIL.Agensla.gen
GData Gen:Variant.Ransom.Loki.1445
AhnLab-V3 Trojan/Win.Generic.C5337373
VBA32 TScope.Trojan.MSIL
ALYac Gen:Variant.Ransom.Loki.1445
MAX malware (ai score=88)
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/GdSda.A
Rising Malware.Obfus/[email protected] (RDM.MSIL2:9XXgQSYFh/IX1BFf5rZ8QA)
Yandex Trojan.Igent.bZhsFe.2
SentinelOne Static AI – Suspicious PE
Fortinet MSIL/GenKryptik.GCKQ!tr
AVG Win32:PWSX-gen [Trj]
DeepInstinct MALICIOUS

How to remove Trojan:MSIL/FormBook.AF!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.

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