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

What is Backdoor.Win32.Blakken.vnn infection?

In this article you will discover concerning the definition of Backdoor.Win32.Blakken.vnn as well as its unfavorable impact on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to require paying the ransom by a victim.

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Most of the instances, Backdoor.Win32.Blakken.vnn ransomware will certainly instruct its targets to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has presented to the sufferer’s device.

Backdoor.Win32.Blakken.vnn 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.
  • 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.
  • 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.
  • Ciphering the papers located on the victim’s hard drive — so the victim can no more use the information;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains


The most typical channels whereby Backdoor.Win32.Blakken.vnn Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that holds a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or prevent the device from functioning in a proper way – while likewise positioning a ransom note that mentions the need for the sufferers to impact the repayment for the objective of decrypting the records or recovering the data system back to the initial problem. In most circumstances, the ransom money note will come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Backdoor.Win32.Blakken.vnn circulation networks.

In various edges of the globe, Backdoor.Win32.Blakken.vnn grows by jumps and also bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom amount might differ depending upon particular local (regional) setups. The ransom money notes and also techniques of extorting the ransom money amount might differ depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans often wrongfully report having spotted some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software piracy is less prominent, this method is not as effective for the cyber fraudulences. Conversely, the Backdoor.Win32.Blakken.vnn popup alert may incorrectly claim to be stemming from a law enforcement organization as well as will certainly report having situated child porn or various other prohibited data on the gadget.

    Backdoor.Win32.Blakken.vnn popup alert might falsely declare to be obtaining from a law enforcement institution and will report having situated youngster pornography or other unlawful data on the gadget. The alert will similarly contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 099C9D41
md5: 1703cf594a36dbdcaa8a06726080c6dd
name: upload_file
sha1: 62633a2e71973594444e37016666c2b976111ec5
sha256: 4c062db10b19973d6a2228e56b40cd1139cb4ff38e2d49894bef25ca65e21475
sha512: 1843fc9d5bd4e983df537ffee79e285d455893f24d059442fa42862a0a9a67a3d37bea2a1eb8f3c76876e9ed6fd4bec1eab61d150017fafcb2dbe950fac872cd
ssdeep: 3072:ontVyqWr9N22azOu+OsM5T4yYqmrhc1uMJt8rZ3USnsH8C66E:BZu/+OFipqmrhIbve3dnU8f
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Win32.Blakken.vnn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.679962
ALYac Gen:Variant.Razy.679962
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 00536d121 )
BitDefender Gen:Variant.Razy.679962
K7GW Trojan ( 00536d121 )
Cybereason malicious.94a36d
Symantec Trojan.Formbook
APEX Malicious
ClamAV Win.Malware.Formbook-7399661-0
Kaspersky Backdoor.Win32.Blakken.vnn
Alibaba Backdoor:Win32/Formbook.8eebc7e6
NANO-Antivirus Virus.Win32.Gen.ccmw
Rising Stealer.Formbook!1.C470 (CLASSIC)
Ad-Aware Gen:Variant.Razy.679962
Comodo Malware@#3tcldl9js44ka
MaxSecure Trojan.Malware.300983.susgen
DrWeb Trojan.Siggen9.48175
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-S
Sophos Mal/Generic-S
SentinelOne DFI – Malicious PE
Jiangmin Trojan.Generic.gcxta
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.Gen
MAX malware (ai score=82)
Microsoft Trojan:Win32/Formbook!MTB
Arcabit Trojan.Razy.DA601A
ZoneAlarm Backdoor.Win32.Blakken.vnn
GData Gen:Variant.Razy.679962
AhnLab-V3 Trojan/Win32.Formbook.C4173787
Acronis suspicious
McAfee GenericRXCD-ZZ!1703CF594A36
VBA32 BScope.TrojanPSW.Banker
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Formbook.AA
Tencent Win32.Backdoor.Blakken.Dvpr
Ikarus Trojan-Spy.FormBook
eGambit Unsafe.AI_Score_82%
Fortinet W32/GenKryptik.AYEB!tr
BitDefenderTheta AI:Packer.A03D01901E
AVG Win32:Formbook-B [Trj]
Avast Win32:Formbook-B [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Backdoor.2bc

How to remove Backdoor.Win32.Blakken.vnn 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Blakken.vnn 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.Blakken.vnn 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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