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

What is Win32/MBRlock.AZ infection?

In this post you will find about the interpretation of Win32/MBRlock.AZ and also its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom by a victim.

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In the majority of the cases, Win32/MBRlock.AZ virus will advise its victims to initiate funds transfer for the function of counteracting the changes that the Trojan infection has presented to the victim’s device.

Win32/MBRlock.AZ Summary

These adjustments can be as follows:

  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Likely installs a bootkit via raw harddisk modifications;
  • Attempts to restart the guest VM;
  • 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
  • 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.
  • Creates a copy of itself;
  • Ciphering the records situated on the victim’s hard disk drive — so the victim can no more make use of the information;
  • Preventing normal 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.


The most common channels where Win32/MBRlock.AZ Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a source that organizes a harmful software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s computer or prevent the tool from working in a proper way – while also positioning a ransom money note that states the requirement for the victims to effect the payment for the objective of decrypting the documents or restoring the documents system back to the first condition. In a lot of circumstances, the ransom money note will come up when the customer reboots the COMPUTER after the system has already been damaged.

Win32/MBRlock.AZ circulation networks.

In various edges of the world, Win32/MBRlock.AZ expands by jumps and bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money quantity may vary depending on specific local (local) setups. The ransom money notes and also methods of extorting the ransom money quantity may vary depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the target’s gadget. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding illegal web content.

    In countries where software piracy is much less preferred, this method is not as reliable for the cyber frauds. Alternatively, the Win32/MBRlock.AZ popup alert may falsely declare to be deriving from a law enforcement institution and will report having located youngster pornography or other prohibited data on the tool.

    Win32/MBRlock.AZ popup alert might falsely assert to be deriving from a regulation enforcement institution and will certainly report having located kid pornography or various other prohibited information on the tool. The alert will similarly have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 36069AC1
md5: 54d1cf7932e67a076b38e74dbcd518f0
name: 54D1CF7932E67A076B38E74DBCD518F0.mlw
sha1: 195b26404ed0a7540a54e41604d6435465fe68aa
sha256: a5133eb372ed2dff9145dbc144fcbe205366625cf078ecac75e9f486e92e0104
sha512: e883527e821159e2c8a75af3f44f7e791c350ecaa6c6c39e725281741d6b80640f3fc597d072fb9843b9b8a492517a012710036a727f5ccf646142ebc42439fb
ssdeep: 12288:v0T9wXWnTpEY3O0hT2FgMpJ7TZni5KytIjG:ve9SWTpZ3FhTagMLTZiUytIjG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0804 0x04b0

Win32/MBRlock.AZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005246d51 )
Elastic malicious (high confidence)
DrWeb Trojan.MBRlock.256
MicroWorld-eScan Gen:Variant.Ransom.MBRLock.3
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Gen:Variant.Ransom.MBRLock.3
Malwarebytes Trojan.MalPack.FlyStudio
Zillya Trojan.Foreign.Win32.57835
K7GW Trojan ( 005246d51 )
Cybereason malicious.932e67
Cyren W32/Trojan.CLL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/MBRlock.AZ
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
BitDefender Gen:Variant.Ransom.MBRLock.3
NANO-Antivirus Trojan.Win32.MBRlock.fkftrd
Tencent Win32.Trojan.Foreign.Sxen
Ad-Aware Gen:Variant.Ransom.MBRLock.3
Sophos Mal/Generic-S
Comodo Worm.Win32.Dropper.RA@1qraug
BitDefenderTheta Gen:NN.ZexaF.34692.0q0@aiFb@mgb
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.MBRLOCKER.SM
Emsisoft Gen:Variant.Ransom.MBRLock.3 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Heur:Trojan/AntiAV
Avira TR/Ransom.MBRlock.ceuhv
eGambit Unsafe.AI_Score_99%
AegisLab Trojan.Win32.Foreign.j!c
GData Win32.Trojan.PSE.1U8NZ9I
Acronis suspicious
McAfee GenericRXAA-AA!54D1CF7932E6
MAX malware (ai score=98)
VBA32 TrojanRansom.Foreign
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.MBRLOCKER.SM
Rising Ransom.Dexcrypt!1.B151 (CLASSIC)
Yandex Trojan.GenAsa!8Pse7bGjdGs
Ikarus Trojan.Win32.MBRlock
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/MBRlock.BA!tr.ransom
AVG Win32:Malware-gen

How to remove Win32/MBRlock.AZ 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 Win32/MBRlock.AZ 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 Win32/MBRlock.AZ 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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