Java/Filecoder.AF

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

What is Java/Filecoder.AF infection?

In this article you will certainly locate concerning the meaning of Java/Filecoder.AF and its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by online scams to demand paying the ransom by a sufferer.

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Most of the cases, Java/Filecoder.AF ransomware will certainly advise its victims to launch funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s tool.

Java/Filecoder.AF Summary

These alterations can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s hard disk — so the target can no longer make use of the information;
  • Preventing routine accessibility to the sufferer’s workstation;

Java/Filecoder.AF

The most normal channels where Java/Filecoder.AF are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that holds a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or avoid the device from operating in a correct fashion – while also positioning a ransom money note that discusses the demand for the targets to effect the repayment for the purpose of decrypting the files or recovering the data system back to the preliminary condition. In the majority of instances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been harmed.

Java/Filecoder.AF circulation networks.

In numerous edges of the world, Java/Filecoder.AF grows by leaps and bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom quantity may differ depending on particular regional (regional) settings. The ransom notes and techniques of extorting the ransom quantity may vary depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having discovered some unlicensed applications made it possible for on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software application piracy is less popular, this technique is not as reliable for the cyber frauds. Conversely, the Java/Filecoder.AF popup alert might wrongly declare to be originating from a law enforcement establishment as well as will certainly report having located child pornography or various other illegal information on the tool.

    Java/Filecoder.AF popup alert might wrongly assert to be obtaining from a legislation enforcement organization and will report having located youngster pornography or various other prohibited information on the device. The alert will similarly have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 5F5FB84A
md5: 903f9076aadc67938aed2929cc051d53
name: 903F9076AADC67938AED2929CC051D53.mlw
sha1: ef6a480071e6fbe4b6304cf9245a0109824c0a89
sha256: 0e06e9f5f272d6b22274382cf282a4f58c37621a6855f69b1c91a7d72fc92354
sha512: a37c1d3e11b47271c51c0451f1f5bfec49bf9ec3ccd035c1267ee403dc7a0ce216bf9de08895f269750f9f7070f63801ef0198f238163d0faa2cd2b5ace6b505
ssdeep: 6144:iioPxpPX9bIH6jVg8c65VteFZan2jmjTxnbSXsKW:nyX9I6jE65VteFZan2ajTxnbSa
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Java/Filecoder.AF also known as:

GridinSoftTrojan.Ransom.Gen
LionicTrojan.Win32.Agent.j!c
DrWebTrojan.MulDrop9.4368
CAT-QuickHealTrojanRansom.Agent
ALYacTrojan.Ransom.Filecoder
CylanceUnsafe
ZillyaTrojan.Filecoder.JS.3
SangforRansom.Win32.Agent.auwh
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Cryptor.9324cb15
K7GWTrojan ( 005487e31 )
K7AntiVirusTrojan ( 005487e31 )
CyrenW32/Trojan.JSBH-6315
SymantecDownloader
ESET-NOD32Java/Filecoder.AF
AvastJava:Malware-gen [Trj]
KasperskyTrojan-Ransom.Win32.Agent.auwh
BitDefenderTrojan.GenericKD.41039316
NANO-AntivirusTrojan.Win32.Filecoder.fnjxsz
ViRobotTrojan.Win32.S.Ransom.311533
MicroWorld-eScanTrojan.GenericKD.41039316
TencentWin32.Trojan.Agent.Hprr
Ad-AwareTrojan.GenericKD.41039316
SophosMal/Generic-S
ComodoMalware@#34wfbzdbprszo
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_FRS.0NA103C419
McAfee-GW-EditionBehavesLike.Win32.Dropper.fc
FireEyeTrojan.GenericKD.41039316
EmsisoftTrojan.Ransom.PewCrypt (A)
WebrootW32.Malware.Gen
Antiy-AVLTrojan/Generic.ASSuf.27206
MicrosoftTrojan:MSIL/Cryptor
ArcabitTrojan.Generic.D27235D4
GDataTrojan.GenericKD.41039316
AhnLab-V3Malware/Gen.Generic.C3038413
McAfeeGeneric .lb
MAXmalware (ai score=100)
VBA32TrojanRansom.Agent
MalwarebytesRansom.FileCryptor
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_FRS.0NA103C419
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.74150825.susgen
FortinetJava/Filecoder.AF!tr
AVGJava:Malware-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Generic.HgAASREA

How to remove Java/Filecoder.AF 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 Java/Filecoder.AF 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 Java/Filecoder.AF 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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