VHO:Backdoor.Win32.Convagent

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

What is VHO:Backdoor.Win32.Convagent infection?

In this short article you will find concerning the meaning of VHO:Backdoor.Win32.Convagent and its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom by a sufferer.

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Most of the cases, VHO:Backdoor.Win32.Convagent infection will advise its sufferers to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

VHO:Backdoor.Win32.Convagent Summary

These modifications can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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 created a hidden window;
  • Unconventionial language used in binary resources: Punjabi;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Executed a process and injected code into it, probably while unpacking;
  • 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.
  • Ciphering the documents situated on the target’s hard disk — so the target can no longer utilize the information;
  • Preventing regular 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.

VHO:Backdoor.Win32.Convagent

One of the most typical networks whereby VHO:Backdoor.Win32.Convagent Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer winding up on a source that organizes a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or protect against the device from functioning in a proper fashion – while additionally placing a ransom money note that points out the demand for the sufferers to impact the settlement for the purpose of decrypting the files or restoring the data system back to the first condition. In the majority of instances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually currently been damaged.

VHO:Backdoor.Win32.Convagent circulation networks.

In various edges of the world, VHO:Backdoor.Win32.Convagent expands by jumps and also bounds. Nonetheless, the ransom notes and tricks of obtaining the ransom money quantity may differ relying on certain neighborhood (local) settings. The ransom money notes and also methods of extorting the ransom money quantity may vary depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In particular locations, the Trojans often wrongfully report having actually found some unlicensed applications allowed on the target’s gadget. The alert after that requires the user to pay the ransom.

    Faulty declarations regarding prohibited content.

    In countries where software piracy is less preferred, this method is not as effective for the cyber fraudulences. Conversely, the VHO:Backdoor.Win32.Convagent popup alert may incorrectly assert to be deriving from a police establishment and will report having situated child porn or various other unlawful data on the device.

    VHO:Backdoor.Win32.Convagent popup alert may incorrectly claim to be deriving from a regulation enforcement institution and will report having situated kid pornography or other unlawful data on the device. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 71F420A1
md5: 8175cd8e0332ffe9bd612d1f2bea09e9
name: 8175CD8E0332FFE9BD612D1F2BEA09E9.mlw
sha1: 44853ed180522efb88390f3ce38c028128a61a4f
sha256: de4e8e731548b1cd0a8dc2886626ad0c717a8309e24c0e9439d59bbf5ebbd6e6
sha512: f02c452e07a88f06c7a1b818660b9bfaf2890b31b59f9a1bdbf994b60e646af20674e5598285972659695ac719589c8d4be02af0352a1285a17ebf5c04d6a95e
ssdeep: 6144:UDIKjmaB2ykNlgh4QPjXKqRGLqGN81vs9UyOuc:UDIKjBNkNl5QPOEG/Ajd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersus: 1.0.98.59
ProductVersus: 1.0.97.58
Translations: 0x0476 0x0368

VHO:Backdoor.Win32.Convagent also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0057d84f1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 0057d84f1 )
Cybereasonmalicious.180522
APEXMalicious
AvastFileRepMalware
KasperskyVHO:Backdoor.Win32.Convagent.gen
SophosTroj/Kryptik-TR
BitDefenderThetaGen:NN.ZexaF.34722.uqW@ay4YGfbG
FireEyeGeneric.mg.8175cd8e0332ffe9
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Hynamer.C!ml
GridinsoftRansom.Win32.STOP.dg!se52593
GDataWin32.Trojan.PSE.14FJAB1
Acronissuspicious
VBA32BScope.TrojanPSW.Ficker
MalwarebytesTrojan.MalPack.GS
RisingMalware.Heuristic!ET#89% (RDMK:cmRtazrVg/gFsPGpETMFrF2F9w+D)
IkarusTrojan.Win32.Kovter
MaxSecureTrojan.Malware.300983.susgen
AVGFileRepMalware

How to remove VHO:Backdoor.Win32.Convagent 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 VHO:Backdoor.Win32.Convagent 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 VHO:Backdoor.Win32.Convagent 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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