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

What is Backdoor:Win32/Hackdef infection?

In this post you will certainly locate about the meaning of Backdoor:Win32/Hackdef and its unfavorable impact on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom by a victim.

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In the majority of the instances, Backdoor:Win32/Hackdef infection will instruct its sufferers to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has actually introduced to the target’s device.

Backdoor:Win32/Hackdef Summary

These modifications can be as complies with:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s hard drive — so the victim can no more utilize the data;
  • Preventing regular accessibility to the victim’s workstation;


The most typical channels whereby Backdoor:Win32/Hackdef Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the sufferer’s computer or stop the device from functioning in a proper way – while also positioning a ransom note that discusses the demand for the victims to impact the settlement for the objective of decrypting the documents or recovering the file system back to the preliminary problem. In many instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually already been harmed.

Backdoor:Win32/Hackdef circulation channels.

In various corners of the world, Backdoor:Win32/Hackdef grows by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom money amount may vary relying on particular neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom quantity may vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the customer to pay the ransom.

    Faulty declarations regarding unlawful content.

    In countries where software piracy is much less popular, this technique is not as effective for the cyber scams. Alternatively, the Backdoor:Win32/Hackdef popup alert may incorrectly assert to be stemming from a police establishment and will certainly report having situated youngster porn or other prohibited information on the device.

    Backdoor:Win32/Hackdef popup alert may falsely declare to be deriving from a law enforcement institution and will report having situated kid porn or other prohibited data on the device. The alert will in a similar way include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 0B356C9F
md5: 95e96bfbcc9e06a5565a00c6c8496eb6
name: 95E96BFBCC9E06A5565A00C6C8496EB6.mlw
sha1: e3f961fec6829f911499345c46fc26ef8e1e070d
sha256: 16c0fe3c93b7b3be21bc62a7ca2e22df8742b54548fb02acb597fa196530979f
sha512: debe4cef391e71a88741f9223be0c058b725b880f5add1da4cd8b6618b065eaa9db6e4c0f4b0ede109d329a81c31f600e565c3d5e76182aa0ec5d6d7f23b3f7c
ssdeep: 768:JGPJBGMV+qC9d8Zl+8dZyC49vVbBBkz5FI69r:JGPJ88+TGndZy19NfIzI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Hackdef also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb BackDoor.HackDef.1005
Cynet Malicious (score: 100)
CMC Generic.Win32.95e96bfbcc!MD
ALYac Gen:Heur.Variadic.A.110.1
Zillya Trojan.ULPM.Win32.82
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Trojan:Win32/HACDEF.1e36a2eb
Cybereason malicious.bcc9e0
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Variadic.A.110.1
MicroWorld-eScan Gen:Heur.Variadic.A.110.1
Ad-Aware Gen:Heur.Variadic.A.110.1
Sophos Mal/Generic-S
Comodo Backdoor@#207werdc3loj6
BitDefenderTheta AI:Packer.383D40661D
VIPRE Trojan.Win32.Generic!BT
Emsisoft Gen:Heur.Variadic.A.110.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Genome.ucu
Avira TR/Crypt.ULPM.Gen
eGambit Unsafe.AI_Score_98%
Microsoft Backdoor:Win32/Hackdef
Arcabit Trojan.Variadic.A.110.1
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Variadic.A.110.1
TACHYON Backdoor/W32.HacDef.33792.B
McAfee Artemis!95E96BFBCC9E
VBA32 Malware-Cryptor.General.3
Panda Generic Malware
TrendMicro-HouseCall BKDR_HACDEF.HQ
Rising Backdoor.Win32.Hackdef.e (CLASSIC)
Yandex Backdoor.HacDef!IOMWRq/FQk4
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/HacDef.84!tr
AVG FileRepMalware

How to remove Backdoor:Win32/Hackdef 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 Backdoor:Win32/Hackdef 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 Backdoor:Win32/Hackdef you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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