Written by Robert Bailey

What is MSIL/Small.FY infection?

In this post you will certainly discover regarding the definition of MSIL/Small.FY and its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom by a target.

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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the instances, MSIL/Small.FY infection will certainly instruct its sufferers to launch funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s device.

MSIL/Small.FY Summary

These alterations can be as follows:

  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics;
  • Ciphering the papers found on the target’s hard disk drive — so the target can no more make use of the data;
  • Preventing normal access to the target’s workstation;


One of the most regular channels through which MSIL/Small.FY are infused are:

  • By methods of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or prevent the device from operating in an appropriate manner – while additionally positioning a ransom money note that mentions the requirement for the targets to impact the repayment for the objective of decrypting the records or bring back the data system back to the preliminary condition. In the majority of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been damaged.

MSIL/Small.FY distribution networks.

In different edges of the world, MSIL/Small.FY expands by jumps and bounds. However, the ransom notes and tricks of extorting the ransom amount might differ depending on particular neighborhood (regional) settings. The ransom money notes as well as tricks of extorting the ransom amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having identified some unlicensed applications enabled on the sufferer’s tool. The sharp then requires the customer to pay the ransom.

    Faulty declarations about prohibited content.

    In countries where software application piracy is much less popular, this approach is not as efficient for the cyber frauds. Additionally, the MSIL/Small.FY popup alert may incorrectly claim to be originating from a police institution and also will certainly report having situated child porn or other prohibited information on the tool.

    MSIL/Small.FY popup alert may incorrectly assert to be deriving from a law enforcement organization and also will report having located child porn or various other unlawful data on the gadget. The alert will similarly consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 85FDD493
md5: bcac149c8937427e202b026010cc9b61
name: BCAC149C8937427E202B026010CC9B61.mlw
sha1: 91827d6a8097ebc928f5c9ac14215489793dd40c
sha256: 54ef22c3ec285b28280274955724521b2a331a407b2bb2e822b1f42e0a762c33
sha512: 652733fa77f0024b048ebe111205707f94bd9821769d07d29c8d07e80669fb65a2eefbca68d64b3cebcbf038417938fd43aa6e33920af97c805e3606bfcfa531
ssdeep: 24576:OAT8QE+kXGHQc37fx/xB3IDFJ/CCJyFvd:OAI+wGdfv2ZJyFvd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Crystal Disk Info
FileDescription: Crystal Disk Info 4.5 Installation
FileVersion: 4.5
CompanyName: Crystal Disk Info
Translation: 0x0409 0x04e4

MSIL/Small.FY also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004c54d71 )
Lionic Trojan.Win32.Agent.4!c
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ser.Ursu.4764
Cylance Unsafe
Sangfor Trojan.Win32.Tiggre.rfn
Alibaba Trojan:MSIL/Tiggre.eb777942
K7GW Trojan ( 004c54d71 )
Cybereason malicious.c89374
Cyren W32/Trojan.DIS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:KeyloggerX-gen [Trj]
Kaspersky Trojan.Win32.Agent.qwiszy
BitDefender Gen:Variant.Ser.Ursu.4764
NANO-Antivirus Trojan.Win32.Fkm.ekyxoc
MicroWorld-eScan Gen:Variant.Ser.Ursu.4764
Tencent Win32.Trojan.Agent.Pitw
Sophos Mal/Generic-S (PUA)
BitDefenderTheta Gen:NN.ZemsilF.34236.dm0@ay9ockp
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0DJ121
Emsisoft Gen:Variant.Ser.Ursu.4764 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.FKM.vbrc
Antiy-AVL Trojan/Generic.ASMalwS.18DFBFE
Kingsoft Win32.Troj.Gener.(kcloud)
Microsoft Trojan:Win32/Occamy.C54
GData Gen:Variant.Ser.Ursu.4764
McAfee Artemis!BCAC149C8937
MAX malware (ai score=81)
VBA32 Trojan.Agent
TrendMicro-HouseCall TROJ_GEN.R002C0DJ121
Ikarus not-a-virus:Client-IRC.Win32
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
AVG Win32:KeyloggerX-gen [Trj]

How to remove MSIL/Small.FY 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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for MSIL/Small.FY files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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