MSIL/Agent.SPB

Seeing the MSIL/Agent.SPB detection name means that your PC is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be done as soon as possible.

MSIL/Agent.SPB detection is a virus detection you can spectate in your system. It often appears after the preliminary procedures on your PC – opening the suspicious e-mail messages, clicking the advertisement in the Web or setting up the program from dubious sources. From the second it appears, you have a short time to act before it begins its destructive activity. And be sure – it is much better not to wait for these destructive things.

What is MSIL/Agent.SPB virus?

MSIL/Agent.SPB is ransomware-type malware. It searches for the files on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a ton of harm to your system. It alters the networking settings in order to stop you from reading the removal guidelines or downloading the antivirus. Sometimes, MSIL/Agent.SPB can also block the setup of anti-malware programs.

MSIL/Agent.SPB Summary

In total, MSIL/Agent.SPB ransomware activities in the infected system are next:

  • Dynamic (imported) function loading detected;
  • .NET file is packed/obfuscated with Confuser;
  • Authenticode signature is invalid;
  • Ciphering the files located on the victim’s disk drives — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to imagine a more damaging virus for both individual users and companies. The algorithms utilized in MSIL/Agent.SPB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these horrible things instantly – it can require up to a few hours to cipher all of your documents. Thus, seeing the MSIL/Agent.SPB detection is a clear signal that you must start the elimination process.

Where did I get the MSIL/Agent.SPB?

General tactics of MSIL/Agent.SPB injection are common for all other ransomware examples. Those are one-day landing web pages where users are offered to download and install the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite new method in malware distribution – you get the email that imitates some routine notifications about shipments or bank service conditions changes. Inside of the email, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly simple, however, still requires tons of recognition. Malware can hide in various places, and it is much better to prevent it even before it gets into your PC than to rely upon an anti-malware program. Basic cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may keep you a lot of money and time which you would certainly spend while trying to find a fixing guide.

MSIL/Agent.SPB malware technical details

File Info:

name: BCA15CB9FF5A88F4201F.mlwpath: /opt/CAPEv2/storage/binaries/a0a1f6c4bf1494d3a0374dca3657fb7f506359407f1e59d295a38f24ed1e62d3crc32: E7531BBAmd5: bca15cb9ff5a88f4201fd9b982fbf8c8sha1: 3ec38c6f85d6a70bf3f1b2b067730c49c243b769sha256: a0a1f6c4bf1494d3a0374dca3657fb7f506359407f1e59d295a38f24ed1e62d3sha512: 8a9d32a74db3977743f6457087325f5d54552eafb7fb4450c27e9f0d33df920f0d58a1a087adb0c068be6fd3eb36e17bad4a749d0017d8416cd1073d54468219ssdeep: 49152:BtxxYRHuV/u1Sa6ysW/DmZjOogNY9ZPPB4dK:nxTdjysW7aO2ltype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10B167C1033E8961BD1FE6BB5A4F435441BB1F946A773E74F198860ED2C63B918E023A7sha3_384: 2c411568d13ec70ecbc634d15cf0d1d5e26a77514c7317c1c020bf0610e33e219d7fddda2eaf9ccf0f8751dd288e13dcep_bytes: ff250020400000000000000000000000timestamp: 2019-08-20 21:29:01

Version Info:

Translation: 0x0000 0x04b0CompanyName: Microsoft CorporationFileDescription: Client Server Runtime ProcessFileVersion: 1.0.0.0InternalName: pt12dqulvdt.tmpLegalCopyright: Microsoft CorporationOriginalFilename: pt12dqulvdt.tmpProductName: WinAutomation ProcessProductVersion: 1.0Assembly Version: 1.0.0.0

MSIL/Agent.SPB also known as:

MicroWorld-eScan Trojan.Ransomware.GenericKDS.41622053
FireEye Trojan.Ransomware.GenericKDS.41622053
ALYac Trojan.Ransomware.GenericKDS.41622053
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005713be1 )
Alibaba Trojan:MSIL/Tasker.5b26e452
K7GW Trojan ( 005713be1 )
CrowdStrike win/malicious_confidence_60% (W)
BitDefenderTheta Gen:NN.ZemsilF.34182.@p0@aOVTvil
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.SPB
Paloalto generic.ml
ClamAV Win.Dropper.Generic-6500827-0
Kaspersky HEUR:Trojan.MSIL.Tasker.gen
BitDefender Trojan.Ransomware.GenericKDS.41622053
NANO-Antivirus Trojan.Win32.Tasker.gfelbh
Avast Win32:Trojan-gen
Sophos Mal/Generic-S
Comodo Malware@#7ufy3he3wgvj
Zillya Trojan.Agent.Win32.1169738
McAfee-GW-Edition Artemis
SentinelOne Static AI – Malicious PE
Emsisoft Trojan.Ransomware.GenericKDS.41622053 (B)
Ikarus Trojan.MSIL.Agent
Avira HEUR/AGEN.1129522
Microsoft Trojan:Win32/Occamy.B
ZoneAlarm HEUR:Trojan.MSIL.Tasker.gen
GData Trojan.Ransomware.GenericKDS.41622053
Cynet Malicious (score: 99)
McAfee Artemis!BCA15CB9FF5A
VBA32 TScope.Trojan.MSIL
APEX Malicious
MAX malware (ai score=88)
MaxSecure Trojan.Malware.1728101.susgen
Fortinet MSIL/Agent.SPB!tr
AVG Win32:Trojan-gen
Cybereason malicious.9ff5a8
Panda Trj/GdSda.A

How to remove MSIL/Agent.SPB?

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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