Crypt.44

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

What is Crypt.44 infection?

In this short article you will certainly locate regarding the meaning of Crypt.44 as well as its negative impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Crypt.44 ransomware will certainly instruct its targets to launch funds transfer for the objective of neutralizing the modifications that the Trojan infection has introduced to the victim’s tool.

Crypt.44 Summary

These adjustments can be as complies with:

  • 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.
  • Mimics the system’s user agent string for its own requests;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Exhibits behavior characteristic of Locky ransomware;
  • Ciphering the records located on the sufferer’s hard disk drive — so the victim can no more make use of the data;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Crypt.44

The most common channels whereby Crypt.44 Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of individual winding up on a source that organizes a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or prevent the device from working in an appropriate fashion – while additionally placing a ransom note that mentions the demand for the sufferers to effect the settlement for the function of decrypting the records or recovering the file system back to the initial problem. In many circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has currently been damaged.

Crypt.44 distribution networks.

In various corners of the globe, Crypt.44 expands by leaps as well as bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom quantity may vary depending upon particular local (regional) settings. The ransom money notes and tricks of obtaining the ransom quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans often wrongfully report having spotted some unlicensed applications enabled on the target’s device. The alert after that requires the individual to pay the ransom.

    Faulty declarations concerning illegal web content.

    In countries where software application piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the Crypt.44 popup alert may wrongly claim to be stemming from a police institution and also will report having located kid pornography or other unlawful data on the tool.

    Crypt.44 popup alert may falsely declare to be obtaining from a legislation enforcement organization as well as will report having located child pornography or other unlawful data on the device. The alert will in a similar way consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 3EE25C02
md5: baa6f26db31199ee037ef70e272faf23
name: BAA6F26DB31199EE037EF70E272FAF23.mlw
sha1: c3080c133698f08e3afd3ceffdc4225855a95171
sha256: 4e9df17a38c9d85be1b5e13c5c777d2575b71f8397b753fffc8ab81eda6d919c
sha512: f4a3fe84d5e21e01642bfb60899551a920d86fad5f14f1864a212df3937b196259051cb3b821a9450c71af1bbde807f8e8a8284d8ce5d97d9638e792adefc533
ssdeep: 6144:kLZglDuSfqBB2Zh6akQr+H7nuejQSrg4+I6J6IwvJesD7uSDAvQ:IglvqBB2Zh6auH7uYfrg4d6J6IMJeWtF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9HAMSTERsoft . 1999 - 2014
CompanyName: HAMSTERsoft
ProductName: Mediated
ProductVersion: 4.7.1.9
FileDescription: Permanente Interleave Grats Dichotomy Lasted
OriginalFilename: Mediated
Translation: 0x0409 0x04b0

Crypt.44 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
FireEyeGeneric.mg.baa6f26db31199ee
McAfeeArtemis!BAA6F26DB311
CylanceUnsafe
ZillyaTrojan.GenKryptik.Win32.52950
AegisLabTrojan.Win32.Generic.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0056e9231 )
BitDefenderGen:Variant.Crypt.44
K7GWTrojan ( 0056e9231 )
CrowdStrikewin/malicious_confidence_100% (D)
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Cryptor.bnz
AlibabaRansom:Win32/Cryptor.22ba549b
NANO-AntivirusTrojan.Win32.Encoder.evqwtb
MicroWorld-eScanGen:Variant.Crypt.44
Ad-AwareGen:Variant.Crypt.44
EmsisoftGen:Variant.Crypt.44 (B)
ComodoMalware@#1a1b61ktp6rq5
F-SecureHeuristic.HEUR/AGEN.1101369
DrWebTrojan.Encoder.3976
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPLOCKY.SME
McAfee-GW-EditionBehavesLike.Win32.Downloader.fc
SophosMal/Generic-S
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1101369
MAXmalware (ai score=99)
Antiy-AVLTrojan[Ransom]/Win32.Cryptor
MicrosoftRansom:Win32/Locky
ArcabitTrojan.Crypt.44
ZoneAlarmTrojan-Ransom.Win32.Cryptor.bnz
GDataGen:Variant.Crypt.44
Acronissuspicious
VBA32TrojanRansom.Cryptor
ALYacGen:Variant.Crypt.44
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
ESET-NOD32a variant of Win32/Kryptik.ERCC
TrendMicro-HouseCallRansom_HPLOCKY.SME
RisingTrojan.Generic@ML.83 (RDMK:eLSBsXZ4u1fmPJX/dczUrg)
YandexTrojan.GenKryptik!8VYLJnPW4yg
IkarusTrojan-Ransom.Cryptor
eGambitUnsafe.AI_Score_99%
FortinetW32/Cryptor.BNZ!tr
BitDefenderThetaGen:NN.ZexaF.34590.wq0@aeycqTbi
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cryptor.HgIASOUA

How to remove Crypt.44 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 Crypt.44 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

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If the guide doesn’t help you to remove Crypt.44 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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