Trojan-Ransom.Win32.CryFile.agt

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

What is Trojan-Ransom.Win32.CryFile.agt infection?

In this article you will locate regarding the interpretation of Trojan-Ransom.Win32.CryFile.agt and its unfavorable effect on your computer. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom money by a target.

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In the majority of the cases, Trojan-Ransom.Win32.CryFile.agt infection will instruct its sufferers to initiate funds transfer for the objective of counteracting the changes that the Trojan infection has actually presented to the sufferer’s device.

Trojan-Ransom.Win32.CryFile.agt Summary

These adjustments can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Ciphering the documents situated on the sufferer’s hard drive — so the victim can no more utilize the information;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan-Ransom.Win32.CryFile.agt

One of the most common networks where Trojan-Ransom.Win32.CryFile.agt are injected are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a source that holds a malicious software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s computer or stop the tool from functioning in a correct fashion – while additionally positioning a ransom money note that mentions the requirement for the targets to effect the repayment for the purpose of decrypting the papers or bring back the data system back to the preliminary condition. In the majority of circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has already been harmed.

Trojan-Ransom.Win32.CryFile.agt distribution channels.

In different corners of the world, Trojan-Ransom.Win32.CryFile.agt grows by leaps and bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom money quantity may vary depending on particular regional (local) settings. The ransom money notes and also techniques of obtaining the ransom amount may differ depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements concerning prohibited content.

    In countries where software program piracy is less prominent, this method is not as efficient for the cyber scams. Additionally, the Trojan-Ransom.Win32.CryFile.agt popup alert might incorrectly assert to be deriving from a police establishment as well as will report having situated youngster porn or various other unlawful information on the device.

    Trojan-Ransom.Win32.CryFile.agt popup alert might wrongly declare to be obtaining from a law enforcement institution as well as will certainly report having located kid porn or various other prohibited data on the tool. The alert will likewise consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 5541EF46
md5: 91bb19ac797d238209b681a872b90dfb
name: 91BB19AC797D238209B681A872B90DFB.mlw
sha1: c817513d79e95e78969fd7db001197058a43dbb8
sha256: 6b4df381119ee2beac0fb75184addb6cdd045ddd5e0fa09365a51331a484cd7a
sha512: 71eab624027b40a141800b9e4d242d52bb1613e2e7fef083bf742034639434c369dffe648b9d0728c09d91aec121cc8acf861fecd248f6529a396766cbd905de
ssdeep: 12288:K1C9axRKZndwSrZvQH0dy05EQB4RpwxKxOl5/xVvuY6lMwWFQw1ybgRRBo/tPam:QC9YRgdwSBk0dy05jBmuS4DmYBSoP94
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

LegalCopyright:
InternalName:
FileVersion: 2.12.3.124
CompanyName: Handy Stickers labs
LegalTrademarks:
Comments:
ProductName: Handy Stickers
ProductVersion: 2.12.0.0
FileDescription: Distributive
OriginalFilename:
Translation: 0x0419 0x04e3

Trojan-Ransom.Win32.CryFile.agt also known as:

GridinSoft Trojan.Ransom.Gen
Cylance Unsafe
Zillya Trojan.CryFile.Win32.97
Sangfor Trojan.Win32.Agent.atgen
Alibaba Ransom:Win32/CryFile.fe01682b
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.CryFile.agt
NANO-Antivirus Trojan.Win32.CryFile.cwozpo
Sophos Mal/Generic-S + Mal/Generic-L
Comodo Malware@#veyqs5s85s80
McAfee-GW-Edition Generic.eup
Webroot W32.Malware.Gen
Kingsoft Worm.AutoRun.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
AegisLab Trojan.Win32.CryFile.j!c
ZoneAlarm Trojan-Ransom.Win32.CryFile.agt
McAfee Generic.eup
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
Rising Ransom.CryFile!8.20D (CLOUD)
Yandex Trojan.CryFile!ZO0hOlDsglo
Ikarus Worm.Autorun
Fortinet W32/CryFile.AGT!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan-Ransom.Win32.CryFile.agt ransomware?

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 Trojan-Ransom.Win32.CryFile.agt 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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If the guide doesn’t help you to remove Trojan-Ransom.Win32.CryFile.agt 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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