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

What is Backdoor:Win32/Blohi.B infection?

In this article you will locate regarding the definition of Backdoor:Win32/Blohi.B and also its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom by a victim.

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In the majority of the instances, Backdoor:Win32/Blohi.B virus will instruct its targets to launch funds move for the function of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s gadget.

Backdoor:Win32/Blohi.B Summary

These adjustments 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.
  • 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.

  • 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.
  • Attempts to modify desktop wallpaper;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard disk — so the sufferer can no more use the data;
  • Preventing normal accessibility to the victim’s workstation;


One of the most typical channels through which Backdoor:Win32/Blohi.B Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or protect against the gadget from functioning in a correct way – while additionally placing a ransom money note that points out the need for the sufferers to effect the payment for the function of decrypting the papers or recovering the file system back to the first condition. In the majority of instances, the ransom money note will come up when the customer reboots the PC after the system has actually already been damaged.

Backdoor:Win32/Blohi.B distribution networks.

In various corners of the world, Backdoor:Win32/Blohi.B expands by leaps and bounds. However, the ransom notes and also tricks of obtaining the ransom amount may vary relying on certain local (local) setups. The ransom notes and techniques of extorting the ransom money amount may vary depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The sharp then requires the user to pay the ransom money.

    Faulty declarations about unlawful content.

    In nations where software program piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Conversely, the Backdoor:Win32/Blohi.B popup alert might incorrectly claim to be stemming from a law enforcement organization as well as will certainly report having situated kid porn or various other prohibited information on the tool.

    Backdoor:Win32/Blohi.B popup alert may falsely claim to be acquiring from a regulation enforcement establishment and will certainly report having located kid pornography or various other unlawful information on the tool. The alert will similarly include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 97089116
md5: 89ebaa33583f5146384b3f727eb56374
name: 89EBAA33583F5146384B3F727EB56374.mlw
sha1: eab01947529403fe2583b826b5bb765c2ab7a357
sha256: 520ac02295ff5560fb8a757566ca99015f97d03c24763d0bc2094b033c1550cf
sha512: b72df92c7f3c5cc8e8750f8a4a99b5a365a3d66d5ebb5949b06bcc0647dd355d1e7066767babb12f727357b7bedb8de609864f3952aa83c0e88991b6d26e4147
ssdeep: 24576:nhn3m8weYGSlB/fyjHxlKVeYie7LAdCIxhV4iWbD:hFx+nilKbiCIxfiD
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Backdoor:Win32/Blohi.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Siggen4.20106
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.Blohi.B3
ALYac Gen:Variant.Ursu.797169
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Cybereason malicious.3583f5
Baidu Multi.Threats.InArchive
Cyren W32/VBInject.J.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 multiple detections
Zoner Trojan.Win32.55633
APEX Malicious
Avast Win32:VB-ABPY [Trj]
ClamAV Win.Dropper.Blohi-6688003-0
Kaspersky Trojan.Win32.Writos.vug
BitDefender Dropped:Generic.Malware.SLcYBdb.849D48DF
NANO-Antivirus Trojan.Win32.Writos.faltrm
MicroWorld-eScan Dropped:Generic.Malware.SLcYBdb.849D48DF
Tencent Win32.Trojan.Writos.Eehv
Sophos Mal/Generic-R
Comodo Malware@#2ku4edqo41n7u
BitDefenderTheta Gen:NN.ZevbaF.34628.Cm1@ae1TqMdi
McAfee-GW-Edition BehavesLike.Win32.Addrop.dc
Emsisoft Dropped:Generic.Malware.SLcYBdb.849D48DF (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Generic.bansw
Avira TR/Dropper.Gen2
eGambit Unsafe.AI_Score_97%
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Backdoor:Win32/Blohi.B
Arcabit Generic.Malware.SLcYBdb.849D48DF
AegisLab Trojan.Win32.Writos.4!c
GData Win32.Trojan-Ransom.WannaCry.E (2x)
McAfee Artemis!89EBAA33583F
MAX malware (ai score=99)
VBA32 TrojanRansom.Wanna
Malwarebytes Malware.AI.1250948614
Panda Trj/CI.A
TrendMicro-HouseCall BKDR_BLOHI.SM
Rising Ransom.WanaCrypt!1.AAEF (CLOUD)
Yandex Trojan.GenAsa!Hv8C8X8vnMc
Ikarus Trojan-Ransom.WannaCry
Fortinet W32/Writos.GU!tr
AVG Win32:VB-ABPY [Trj]
Qihoo-360 Win32/Backdoor.Farfli.HyoD1ucA

How to remove Backdoor:Win32/Blohi.B 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 Backdoor:Win32/Blohi.B 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 Backdoor:Win32/Blohi.B 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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