Win32/Filecoder.Crysis.Q

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

What is Win32/Filecoder.Crysis.Q infection?

In this article you will certainly find regarding the definition of Win32/Filecoder.Crysis.Q as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the instances, Win32/Filecoder.Crysis.Q ransomware will certainly advise its sufferers to initiate funds move for the function of neutralizing the modifications that the Trojan infection has presented to the sufferer’s gadget.

Win32/Filecoder.Crysis.Q Summary

These modifications can be as adheres to:

  • 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.
  • Expresses interest in specific running processes;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Detects VirtualBox through the presence of a device;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s hard disk — so the target can no more make use of the data;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Filecoder.Crysis.Q

The most typical channels through which Win32/Filecoder.Crysis.Q Ransomware are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that hosts a destructive software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or prevent the gadget from working in a correct manner – while likewise placing a ransom money note that points out the requirement for the targets to impact the payment for the purpose of decrypting the files or restoring the documents system back to the preliminary problem. In a lot of instances, the ransom note will certainly show up when the customer reboots the PC after the system has currently been harmed.

Win32/Filecoder.Crysis.Q distribution networks.

In various corners of the globe, Win32/Filecoder.Crysis.Q grows by jumps as well as bounds. However, the ransom notes as well as techniques of obtaining the ransom quantity may differ relying on specific neighborhood (regional) settings. The ransom notes and techniques of obtaining the ransom quantity may differ depending on specific neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In nations where software piracy is much less preferred, this technique is not as reliable for the cyber fraudulences. Conversely, the Win32/Filecoder.Crysis.Q popup alert might falsely assert to be deriving from a law enforcement institution and will certainly report having located kid porn or various other illegal data on the device.

    Win32/Filecoder.Crysis.Q popup alert may wrongly declare to be deriving from a legislation enforcement institution as well as will report having located youngster pornography or other prohibited data on the gadget. The alert will in a similar way consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 64C4E1F3
md5: 0af5bf6932652794fecf4d5671564f98
name: 0AF5BF6932652794FECF4D5671564F98.mlw
sha1: 9b6067843693d03adacedb768b38566225fe45b7
sha256: 5585cfb88426dc5a3c52924a70146f4106af3ceb86c62068bde4b0609456c2d5
sha512: f3117c26b27ea281b1ea01e376947b9f2d13386675a107df3d730ca09e285bea970932f27424d5f007c3fbca693bbe6b3d49b9127ea123f1ff4b06bbd0eb057f
ssdeep: 6144:7+1kF4rb3jevMUZ7cV1RULSqKmQHzDCoi2hDRSm:qos3qvlZ7aBmQHzDk8DRV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Crysis.Q also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0051a68b1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3953
CynetMalicious (score: 100)
ALYacGen:Trojan.Heur.PT.tmZ@bap!Bli
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.6490
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0051a68b1 )
Cybereasonmalicious.932652
SymantecRansom.CryptXXX
ESET-NOD32Win32/Filecoder.Crysis.Q
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderGen:Trojan.Heur.PT.tmZ@bap!Bli
NANO-AntivirusTrojan.Win32.Crysis.euoiiu
MicroWorld-eScanGen:Trojan.Heur.PT.tmZ@bap!Bli
TencentWin32.Trojan.Filecoder.Jmj
Ad-AwareGen:Trojan.Heur.PT.tmZ@bap!Bli
SophosML/PE-A
ComodoPacked.Win32.MNSP.Gen@2697wr
BitDefenderThetaAI:Packer.39B2B8221E
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FireEyeGeneric.mg.0af5bf6932652794
EmsisoftGen:Trojan.Heur.PT.tmZ@bap!Bli (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.bqkqk
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1128017
Antiy-AVLTrojan/Generic.ASMalwS.226C4CE
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Genasom
AegisLabTrojan.Win32.Generic.j!c
GDataGen:Trojan.Heur.PT.tmZ@bap!Bli
AhnLab-V3Trojan/Win32.Generic.C2241784
Acronissuspicious
McAfeeArtemis!0AF5BF693265
MAXmalware (ai score=99)
VBA32BScope.Trojan.APosT
PandaGeneric Suspicious
RisingRansom.Generic!8.E315 (CLOUD)
YandexTrojan.Filecoder!zItVYmelzeY
IkarusTrojan.Win32.Filecoder
FortinetW32/Darkside.50B7!tr.ransom
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Filecoder.Crysis.Q 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.

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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.

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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 Win32/Filecoder.Crysis.Q 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?

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If the guide doesn’t help you to remove Win32/Filecoder.Crysis.Q 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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