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

What is Ransom:Win32/Exmas.A.A infection?

In this short article you will locate about the interpretation of Ransom:Win32/Exmas.A.A and also its negative influence on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to require paying the ransom by a target.

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In the majority of the cases, Ransom:Win32/Exmas.A.A ransomware will certainly instruct its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s device.

Ransom:Win32/Exmas.A.A Summary

These modifications can be as follows:

  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the sufferer’s hard disk — so the sufferer can no longer make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom.Genasom.A6
a.tomx.xyz Ransom.Genasom.A6
onion1.pw Ransom.Genasom.A6


The most normal channels where Ransom:Win32/Exmas.A.A Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user winding up on a resource that organizes a malicious software application;

As soon as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or stop the device from functioning in an appropriate way – while also putting a ransom money note that mentions the requirement for the sufferers to effect the repayment for the function of decrypting the documents or restoring the data system back to the first condition. In most instances, the ransom note will certainly turn up when the client reboots the PC after the system has already been damaged.

Ransom:Win32/Exmas.A.A distribution networks.

In various edges of the globe, Ransom:Win32/Exmas.A.A expands by leaps and also bounds. Nonetheless, the ransom notes and also methods of extorting the ransom money amount might differ relying on certain regional (regional) setups. The ransom money notes and also techniques of extorting the ransom amount might vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software program piracy is less prominent, this technique is not as reliable for the cyber scams. Additionally, the Ransom:Win32/Exmas.A.A popup alert might falsely claim to be deriving from a police organization as well as will certainly report having situated youngster porn or other prohibited data on the tool.

    Ransom:Win32/Exmas.A.A popup alert may incorrectly assert to be acquiring from a law enforcement organization and also will report having situated child pornography or other unlawful information on the tool. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 64ED0C77
md5: 32cddd9c468cdc4bffe8b1451995d6e6
name: 32CDDD9C468CDC4BFFE8B1451995D6E6.mlw
sha1: f70d3112a781702a4da954f28b2c36a3ffa83cd7
sha256: 4c5f11b49cf161a92208f30a72cd9e6e6f8f5f8df83363706c1ac2bbf4e3456a
sha512: b501bec0068345c07c739ef304f488ee7785e3254383768bf74a761bb449090cee3530f69282724e0c58dd3808c9d089bba11f41ee58ca9296c8c8fd6c7a5f10
ssdeep: 1536:YZqiQBWJYEFu4S4Dh/7ptR8rY6fbkiMcMgzvCb2H8NAzCCL24GIe4l:MQQYEwbSrlOlMcxvCb2H+A2YGIe4l
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Exmas.A.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00501e7f1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10098
CAT-QuickHeal Ransom.Genasom.A6
McAfee Artemis!32CDDD9C468C
Cylance Unsafe
Zillya Trojan.Gen.Win32.693
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 00501e7f1 )
Cybereason malicious.c468cd
Symantec Ransom.TeslaCrypt
ESET-NOD32 a variant of Win32/Filecoder.Xmas.A
APEX Malicious
Avast Win32:Ransom-AZE [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Gen.ces
BitDefender DeepScan:Generic.Ransom.Exmas.CC4706EE
NANO-Antivirus Trojan.Win32.Filecoder.ekhkxg
ViRobot Trojan.Win32.Ransom.113154
MicroWorld-eScan DeepScan:Generic.Ransom.Exmas.CC4706EE
Tencent Win32.Trojan.Raas.Auto
Ad-Aware DeepScan:Generic.Ransom.Exmas.CC4706EE
Sophos Mal/Generic-R + Troj/XMas-C
BitDefenderTheta AI:Packer.9BE6F1221E
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.32cddd9c468cdc4b
Emsisoft Trojan.FileCoder (A)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Gen.dg
Avira TR/Crypt.XPACK.Gen
Microsoft Ransom:Win32/Exmas.A.A
AegisLab Trojan.Win32.Gen.4!c
GData DeepScan:Generic.Ransom.Exmas.CC4706EE
AhnLab-V3 Trojan/Win32.Gen
VBA32 Hoax.Gen
MAX malware (ai score=82)
Panda Trj/CI.A
Rising Ransom.Exmas!8.E412 (CLOUD)
Yandex Trojan.GenAsa!ufQM3oTLqWw
Ikarus Trojan-Ransom.Xmas
Fortinet W32/Filecoder.A!tr
AVG Win32:Ransom-AZE [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/Exmas.A.A ransomware?

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 Ransom:Win32/Exmas.A.A 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 Ransom:Win32/Exmas.A.A you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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