MSIL/Spy.Agent.CYF

What is MSIL/Spy.Agent.CYF infection?

In this short article you will certainly discover concerning the interpretation of MSIL/Spy.Agent.CYF and also its adverse influence on your computer system. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a victim.

In the majority of the instances, MSIL/Spy.Agent.CYF infection will instruct its victims to launch funds transfer for the function of counteracting the changes that the Trojan infection has actually presented to the target’s tool.

MSIL/Spy.Agent.CYF Summary

These alterations can be as follows:

  • Network activity detected but not expressed in API logs;
  • Ciphering the files situated on the target’s hard drive — so the victim can no longer use the data;
  • Preventing regular access to the target’s workstation;

MSIL/Spy.Agent.CYF

One of the most typical networks through which MSIL/Spy.Agent.CYF Ransomware are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual ending up on a resource that holds a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or stop the gadget from working in a proper way – while also placing a ransom note that discusses the demand for the sufferers to impact the repayment for the purpose of decrypting the files or bring back the documents system back to the initial problem. In the majority of instances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.

MSIL/Spy.Agent.CYF circulation channels.

In numerous corners of the world, MSIL/Spy.Agent.CYF grows by leaps and also bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom amount might vary depending upon specific neighborhood (regional) setups. The ransom money notes and also techniques of extorting the ransom money quantity might differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the victim’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software piracy is much less prominent, this approach is not as effective for the cyber frauds. Alternatively, the MSIL/Spy.Agent.CYF popup alert might falsely assert to be stemming from a police establishment as well as will certainly report having located child pornography or other unlawful data on the tool.

    MSIL/Spy.Agent.CYF popup alert might falsely assert to be acquiring from a legislation enforcement institution and also will report having situated youngster pornography or various other unlawful information on the device. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 84724059md5: d59796ff173a9277adb51ac3b8972f19name: D59796FF173A9277ADB51AC3B8972F19.mlwsha1: 6400232d030924220f5bc7405d3a03dbfc9436b6sha256: 4ae247a672b60ac889f44ea5488143ada2f0d6cfd00141de95c646b7ed401b27sha512: c4bf4db4b9e915dbfeddd1a2e5114a7769ffc91dac65750fc130ac2f511d03b4bf921f44636045d67b1772624fc7d3f9a716b1d2095349b825eb7c56f00db454ssdeep: 12288:SkuZncoefc4B/tCpPoO5bdxlhmQ7vztme1LNfr4/fqPmwuuk2YXfdmeV72aTEXT:SkYcobaUpAQdxlhN7vzn1J0las6aVZtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 2.3.3.2InternalName: Built.exeFileVersion: 2.3.3.2Comments: ProgramsProductVersion: 2.3.3.2FileDescription: ProgramsOriginalFilename: Built.exe

MSIL/Spy.Agent.CYF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Spyware ( 005690661 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.30590
Cynet Malicious (score: 99)
ALYac Gen:Variant.Cerbu.106719
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:MSIL/FileCryptor.ac209ee1
K7GW Spyware ( 005690661 )
Cybereason malicious.f173a9
Cyren W32/MSIL_Agent.BZC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Spy.Agent.CYF
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Bulz-9875331-0
Kaspersky HEUR:Trojan-Spy.MSIL.Stealer.gen
BitDefender Gen:Variant.Cerbu.106719
MicroWorld-eScan Gen:Variant.Cerbu.106719
Ad-Aware Gen:Variant.Cerbu.106719
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34790.nn0@a4!s1si
TrendMicro Ransom_FileCryptor.R002C0DGA21
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.d59796ff173a9277
Emsisoft Gen:Variant.Cerbu.106719 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1143400
Microsoft Ransom:MSIL/FileCryptor.SP!MTB
SUPERAntiSpyware Trojan.Agent/Gen-SpyStealer
GData MSIL.Trojan.PSE.FWB849
AhnLab-V3 Trojan/Win.Generic.R418661
McAfee GenericRXPE-XX!D59796FF173A
MAX malware (ai score=83)
Malwarebytes Spyware.ApocalypseStealer
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_FileCryptor.R002C0DGA21
Ikarus Trojan.MSIL.Spy
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Stealer.CYF!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwMAgusA

How to remove MSIL/Spy.Agent.CYF virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove MSIL/Spy.Agent.CYF you can always ask me in the comments for getting help.

References

    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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