Trojan-Ransom.WannaCryptor (A)

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

What is Trojan-Ransom.WannaCryptor (A) infection?

In this post you will certainly discover concerning the meaning of Trojan-Ransom.WannaCryptor (A) and also its negative effect on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, Trojan-Ransom.WannaCryptor (A) virus will certainly advise its targets to start funds transfer for the function of neutralizing the amendments that the Trojan infection has introduced to the victim’s tool.

Trojan-Ransom.WannaCryptor (A) Summary

These alterations 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Detected script timer window indicative of sleep style evasion;
  • A process attempted to delay the analysis task.;
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the victim’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility 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.

Trojan-Ransom.WannaCryptor (A)

One of the most common channels where Trojan-Ransom.WannaCryptor (A) Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of user ending up on a resource that organizes a malicious software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or protect against the gadget from operating in a correct way – while likewise placing a ransom money note that mentions the need for the victims to effect the repayment for the function of decrypting the documents or restoring the file system back to the preliminary problem. In many instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

Trojan-Ransom.WannaCryptor (A) circulation networks.

In various corners of the globe, Trojan-Ransom.WannaCryptor (A) grows by jumps and bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom quantity might differ depending upon particular local (local) settings. The ransom notes as well as methods of obtaining the ransom amount might differ depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In particular areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp then requires the user to pay the ransom.

    Faulty declarations about prohibited web content.

    In countries where software piracy is much less prominent, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan-Ransom.WannaCryptor (A) popup alert may incorrectly declare to be originating from a law enforcement organization and also will certainly report having located youngster porn or various other illegal information on the gadget.

    Trojan-Ransom.WannaCryptor (A) popup alert might wrongly declare to be obtaining from a legislation enforcement institution as well as will certainly report having situated kid porn or various other unlawful data on the device. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 693CD1BE
md5: b32ca307a45d3c9deb2d5a259db80351
name: B32CA307A45D3C9DEB2D5A259DB80351.mlw
sha1: 655a720f65030c9c278a62eef261ccce5b5697c0
sha256: 9ee6b2a5535bbf60f4a3bc9405185f8bb80dc0f9ce2edfb5b061113caf5f0a21
sha512: 172fa3c629e84484697b7bc68ac606b1f65536bd64f5582c9a5ed5def7a40a8d75dee88f0787e36121a1548e36cead89349cd4d6f8ea1cbc397f8344eddad581
ssdeep: 6144:EgZTks/6QiACxMLQyejIaFz0silvUh06Kup:EgZTJirxHye86FhXp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan-Ransom.WannaCryptor (A) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
DrWeb Trojan.Encoder.10718
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.WannaCryptor
Cylance Unsafe
Zillya Trojan.WannaCry.Win32.3
Sangfor Ransom.Win32.Wannacry_6.se
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Wanna.033a0c17
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Cyren W32/Trojan.CBVJ-2400
Symantec Ransom.Wannacry!gen3
ESET-NOD32 a variant of Win32/Filecoder.WannaCryptor.D
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Wanna.a
BitDefender Generic.Ransom.WannaCryptor.AEF512FE
NANO-Antivirus Trojan.Win32.Wanna.eqmtct
MicroWorld-eScan Generic.Ransom.WannaCryptor.AEF512FE
Tencent Trojan.Win32.WannaCry.l
Ad-Aware Generic.Ransom.WannaCryptor.AEF512FE
Sophos Mal/Generic-R + Mal/Wanna-A
Comodo TrojWare.Win32.Ransom.WannaCrypt.A@716ev4
BitDefenderTheta AI:Packer.8B691CC91F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_WCRY.SM
McAfee-GW-Edition BehavesLike.Win32.Emotet.dc
FireEye Generic.mg.b32ca307a45d3c9d
Emsisoft Trojan-Ransom.WannaCryptor (A)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Farfli.bde
Avira HEUR/AGEN.1120488
eGambit Trojan.Generic
Kingsoft Win32.Troj.Agent.cg.(kcloud)
Microsoft Ransom:Win32/WannaCrypt
AegisLab Trojan.Win32.Wanna.toRr
ZoneAlarm Trojan-Ransom.Win32.Wanna.a
GData Generic.Ransom.WannaCryptor.AEF512FE
AhnLab-V3 Trojan/Win32.WannaCryptor.R199610
Acronis suspicious
McAfee Ransom-WannaCry!B32CA307A45D
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.WannaCrypt
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_WCRY.SM
Rising Ransom.WanaCrypt!1.AAEB (CLOUD)
Ikarus Trojan-Ransom.WannaCry
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/WannaCryptor!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.WannaCry.HykCuTsA

How to remove Trojan-Ransom.WannaCryptor (A) 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.

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.WannaCryptor (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 Trojan-Ransom.WannaCryptor (A) 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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