What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
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.
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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.mlw
path: /opt/CAPEv2/storage/binaries/a0a1f6c4bf1494d3a0374dca3657fb7f506359407f1e59d295a38f24ed1e62d3
crc32: E7531BBA
md5: bca15cb9ff5a88f4201fd9b982fbf8c8
sha1: 3ec38c6f85d6a70bf3f1b2b067730c49c243b769
sha256: a0a1f6c4bf1494d3a0374dca3657fb7f506359407f1e59d295a38f24ed1e62d3
sha512: 8a9d32a74db3977743f6457087325f5d54552eafb7fb4450c27e9f0d33df920f0d58a1a087adb0c068be6fd3eb36e17bad4a749d0017d8416cd1073d54468219
ssdeep: 49152:BtxxYRHuV/u1Sa6ysW/DmZjOogNY9ZPPB4dK:nxTdjysW7aO2l
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10B167C1033E8961BD1FE6BB5A4F435441BB1F946A773E74F198860ED2C63B918E023A7
sha3_384: 2c411568d13ec70ecbc634d15cf0d1d5e26a77514c7317c1c020bf0610e33e219d7fddda2eaf9ccf0f8751dd288e13dc
ep_bytes: ff250020400000000000000000000000
timestamp: 2019-08-20 21:29:01

Version Info:

Translation: 0x0000 0x04b0
CompanyName: Microsoft Corporation
FileDescription: Client Server Runtime Process
InternalName: pt12dqulvdt.tmp
LegalCopyright: Microsoft Corporation
OriginalFilename: pt12dqulvdt.tmp
ProductName: WinAutomation Process
ProductVersion: 1.0
Assembly Version:

MSIL/Agent.SPB also known as:

K7AntiVirusTrojan ( 005713be1 )
K7GWTrojan ( 005713be1 )
CrowdStrikewin/malicious_confidence_60% (W)
ESET-NOD32a variant of MSIL/Agent.SPB
SentinelOneStatic AI – Malicious PE
EmsisoftTrojan.Ransomware.GenericKDS.41622053 (B)
CynetMalicious (score: 99)
MAXmalware (ai score=88)

How to remove MSIL/Agent.SPB?

MSIL/Agent.SPB malware is extremely hard to erase manually. It places its data in several locations throughout the disk, and can get back itself from one of the parts. Furthermore, countless modifications in the windows registry, networking setups and Group Policies are quite hard to find and return to the initial. It is much better to use a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated nearly every hour. Moreover, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for getting rid of malware of any kind.

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
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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