Trojan-Ransom.Agent (A)

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

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

In this article you will certainly locate concerning the meaning of Trojan-Ransom.Agent (A) as well as its adverse effect on your computer. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom by a target.

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In the majority of the cases, Trojan-Ransom.Agent (A) infection will advise its victims to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has presented to the sufferer’s gadget.

Trojan-Ransom.Agent (A) Summary

These adjustments can be as adheres to:

  • 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.
  • Steals private information from local Internet browsers;
  • 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;
  • 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.
  • Clears web history;
  • Ciphering the records situated on the target’s disk drive — so the target can no more use the data;
  • Preventing normal access to the sufferer’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.Agent (A)

One of the most regular networks where Trojan-Ransom.Agent (A) Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a resource that holds a malicious software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or avoid the tool from operating in an appropriate fashion – while likewise putting a ransom money note that mentions the demand for the sufferers to effect the settlement for the purpose of decrypting the records or recovering the documents system back to the first problem. In a lot of instances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has actually already been harmed.

Trojan-Ransom.Agent (A) circulation networks.

In various edges of the globe, Trojan-Ransom.Agent (A) expands by jumps and bounds. Nevertheless, the ransom notes and techniques of extorting the ransom money quantity might differ relying on certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom amount may differ depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications made it possible for on the target’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber scams. Conversely, the Trojan-Ransom.Agent (A) popup alert might incorrectly claim to be deriving from a police institution and will certainly report having situated youngster porn or other unlawful data on the device.

    Trojan-Ransom.Agent (A) popup alert may falsely assert to be acquiring from a regulation enforcement institution and will report having situated youngster porn or other illegal information on the tool. The alert will likewise consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: 64ED9A51
md5: 51a1a52b5646a7d5467e6e22311b0f38
name: 51A1A52B5646A7D5467E6E22311B0F38.mlw
sha1: 956ff5346f32fcd39f5044e9009788940d254bbe
sha256: 00965b787655b23fa32ef2154d64ee9e4e505a42d70f5bb92d08d41467fb813d
sha512: 7908240ee3508fb4d0173693577ba314874c61531693b2abe4ba36a2c279ba57edc4763c0436ea6135d00c9eea32d102bab7f94b81971b4af2c38c28fb65520e
ssdeep: 3072:VCj73QeRSXHSer0xJNKEkG0sREdBE931eRSXHSerxp:8j73QeRSXHSer0xJYG0sRQE931eRSXH
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 1.0.0.0
InternalName: TaRRaK.exe
FileVersion: 1.0.0.0
CompanyName: TaRRaK
ProductName: TaRRaK
ProductVersion: 1.0.0
FileDescription: TaRRaK
OriginalFilename: TaRRaK.exe

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

GridinSoftTrojan.Ransom.Gen
CylanceUnsafe
CrowdStrikewin/malicious_confidence_60% (W)
AlibabaTrojan:MSIL/Filecoder.0ae9ecb4
K7GWTrojan ( 0057d5ef1 )
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Filecoder.AIW
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
KasperskyHEUR:Trojan-Ransom.MSIL.Cryptor.gen
SophosMal/Generic-S
BitDefenderThetaGen:NN.ZemsilF.34692.km0@aK!FxCk
McAfee-GW-EditionArtemis!Trojan
EmsisoftTrojan-Ransom.Agent (A)
AviraTR/Ransom.oztlk
eGambitUnsafe.AI_Score_92%
McAfeeGenericRXOS-WT!51A1A52B5646
IkarusTrojan.SuspectCRC
FortinetMSIL/Filecoder.AIW!tr
AVGWin32:MalwareX-gen [Trj]
Paloaltogeneric.ml

How to remove Trojan-Ransom.Agent (A) 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.Agent (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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Agent (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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