MSIL/Filecoder.PF

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is MSIL/Filecoder.PF infection?

In this article you will certainly discover concerning the definition of MSIL/Filecoder.PF as well as its unfavorable impact on your computer. Such ransomware are a form of malware that is clarified by on-line fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, MSIL/Filecoder.PF infection will advise its sufferers to start funds transfer for the function of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

MSIL/Filecoder.PF Summary

These modifications can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Attempts to modify desktop wallpaper;
  • Attempts to disable Windows Defender;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the victim’s hard drive — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;

MSIL/Filecoder.PF

The most typical networks where MSIL/Filecoder.PF Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or prevent the gadget from operating in an appropriate way – while likewise placing a ransom money note that states the demand for the victims to effect the payment for the function of decrypting the documents or bring back the data system back to the preliminary condition. In many circumstances, the ransom note will certainly turn up when the client restarts the PC after the system has actually already been damaged.

MSIL/Filecoder.PF circulation networks.

In numerous corners of the globe, MSIL/Filecoder.PF expands by jumps and also bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom quantity might differ depending upon certain local (regional) setups. The ransom money notes as well as techniques of extorting the ransom money quantity might vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software program piracy is less prominent, this technique is not as efficient for the cyber frauds. Alternatively, the MSIL/Filecoder.PF popup alert might wrongly assert to be stemming from a law enforcement organization as well as will certainly report having situated youngster pornography or various other unlawful data on the device.

    MSIL/Filecoder.PF popup alert may falsely claim to be obtaining from a legislation enforcement organization and also will certainly report having situated youngster pornography or other unlawful information on the gadget. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 55E9B331
md5: cb0df1ef39c740c8493cce44d8dfe4b9
name: CB0DF1EF39C740C8493CCE44D8DFE4B9.mlw
sha1: 974b83fac882023fab4aceee3ddd40aa419f6d87
sha256: 8e2a59b73a968e22d1c723d720a2c5aa77e94ac192afed5c631c6e3763a6bc1d
sha512: fc3c801683e001c79b79d6bce045d80d4b84ffe35823f116c79612992f4395355f43845c08eae0c323158b625c3d2cb9c934a4bdda16d6900ef386a45ca0ef34
ssdeep: 6144:Tc0h522p3l04ZMSmIp3Uy28uhyhTBxP7Jppppppp7fnQss69CBSQBl3sW6:jhxp3lZnT9bDNLfnQsf9CBS+l3sW6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

MSIL/Filecoder.PF also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusRiskware ( 0040eff71 )
DrWebTrojan.Encoder.26241
McAfeeArtemis!CB0DF1EF39C7
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.8039
AlibabaRansom:MSIL/Diztakun.56681c69
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.f39c74
SymantecTrojan.Gen.MBT
ESET-NOD32MSIL/Filecoder.PF
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Diztakun.bkdb
BitDefenderTrojan.GenericKD.31237643
NANO-AntivirusTrojan.Win32.Ransom.fiklsd
MicroWorld-eScanTrojan.GenericKD.31237643
TencentWin32.Trojan.Diztakun.Sxof
Ad-AwareTrojan.GenericKD.31237643
SophosMal/Generic-S
ComodoMalware@#3feqff6dg1np
BitDefenderThetaGen:NN.ZemsilCO.34678.em0@a4w72up
TrendMicroRansom_Agent.R002C0OAA21
McAfee-GW-EditionBehavesLike.Win32.Generic.hh
FireEyeGeneric.mg.cb0df1ef39c740c8
EmsisoftTrojan.GenericKD.31237643 (B)
JiangminTrojan.MSIL.nzds
AviraTR/Hiddenrear.wujvp
MicrosoftBackdoor:Win32/Bladabindi!ml
ArcabitTrojan.Generic.D1DCA60B
AegisLabTrojan.Win32.Malicious.4!e
GDataTrojan.GenericKD.31237643
AhnLab-V3Malware/Win32.Generic.C2730318
VBA32Trojan.Diztakun
MAXmalware (ai score=99)
PandaTrj/CI.A
TrendMicro-HouseCallRansom_Agent.R002C0OAA21
RisingRansom.FileCryptor!8.1A7 (CLOUD)
YandexTrojan.Agent!4o0s+hn2zHI
IkarusTrojan.MSIL.BadJoke
FortinetMSIL/Filecoder.PF!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Diztakun.HwYDEpsA

How to remove MSIL/Filecoder.PF virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/Filecoder.PF 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:

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Full version of GridinSoft Anti-Malware

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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