Written by Robert Bailey

What is Worm:Win32/Morto!A infection?

In this short article you will locate regarding the interpretation of Worm:Win32/Morto!A and also its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom money by a target.

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In the majority of the instances, Worm:Win32/Morto!A virus will instruct its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Worm:Win32/Morto!A 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.
  • 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 attempted to delay the analysis task.;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard drive — so the victim can no more utilize the information;
  • Preventing routine access to the sufferer’s workstation;


One of the most normal networks whereby Worm:Win32/Morto!A Trojans are infused are:

  • By means of phishing emails;
  • As an effect of individual ending up on a source that organizes a malicious software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or stop the gadget from functioning in a proper fashion – while also positioning a ransom note that states the demand for the sufferers to effect the payment for the function of decrypting the records or restoring the data system back to the first problem. In many circumstances, the ransom money note will certainly show up when the customer reboots the PC after the system has actually already been harmed.

Worm:Win32/Morto!A circulation networks.

In various corners of the world, Worm:Win32/Morto!A grows by jumps as well as bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom quantity might vary relying on specific neighborhood (regional) setups. The ransom notes and tricks of extorting the ransom money quantity might vary depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is much less prominent, this technique is not as efficient for the cyber frauds. Conversely, the Worm:Win32/Morto!A popup alert might falsely assert to be stemming from a police institution and will report having situated youngster porn or other unlawful data on the gadget.

    Worm:Win32/Morto!A popup alert might incorrectly declare to be obtaining from a legislation enforcement institution as well as will report having located kid pornography or various other unlawful information on the device. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 17A5582A
md5: bafc01d36fdf6f5540baf1bc53bbbf39
name: BAFC01D36FDF6F5540BAF1BC53BBBF39.mlw
sha1: 194cfb028b9d293e05cee39d0343ec21bf056d02
sha256: d5f45b360aa5c33d32c9cd90662b14ca62ea53bea507305139d584447d0f1d01
sha512: dd50884c8601c5550ae5dc7de061da58de9c38624c91713a9a47c441202a2175471e08ef85240f7d431ba22a1d734f96bd22a2cedc6e23292704109cc8c074a2
ssdeep: 1536:q4cQylcAbqJAyx0rrPsHPbk49aB0lG3k68Ftu3mDuKIZHwsAZZfLFrwh:Ny2RJAXfPsv6UtlqYjDF8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Worm:Win32/Morto!A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 002b0fe41 )
Elastic malicious (high confidence)
DrWeb BackDoor.Tsclient.1
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur.emGfXDuej1b
Cylance Unsafe
Zillya Worm.Morto.Win32.63
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Worm:Win32/Morto.eb2f8989
K7GW Trojan ( 002b0fe41 )
Cybereason malicious.36fdf6
Baidu Win32.Worm.Morto.f
Symantec Trojan.Dropper
ESET-NOD32 Win32/Patched.NCE
APEX Malicious
TotalDefense Win32/Inpect.10
Avast Win32:Malware-gen
ClamAV Win.Worm.Morto-520
Kaspersky Trojan-Ransom.Win32.Gpcode.ce
BitDefender Gen:Trojan.Heur.emGfXDuej1b
NANO-Antivirus Trojan.Win32.Gpcode.tmtkd
ViRobot Worm.Win32.A.Net-Morto.68096
MicroWorld-eScan Gen:Trojan.Heur.emGfXDuej1b
Tencent Win32.Trojan.Gpcode.Pjxk
Ad-Aware Gen:Trojan.Heur.emGfXDuej1b
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Spy.SCKeyLog.x1@1cd3uo
BitDefenderTheta AI:Packer.37587F991B
VIPRE Trojan.Win32.Morto.c (v)
TrendMicro Cryp_Xed-16
McAfee-GW-Edition BehavesLike.Win32.Generic.kc
FireEye Generic.mg.bafc01d36fdf6f55
Emsisoft Gen:Trojan.Heur.emGfXDuej1b (B)
SentinelOne Static AI – Malicious PE
Jiangmin Worm/Morto.fex
Webroot W32.Trojan.Gen
Avira WORM/Morto.A
eGambit Unsafe.AI_Score_99%
Microsoft Worm:Win32/Morto.gen!A
ZoneAlarm Trojan-Ransom.Win32.Gpcode.ce
GData Gen:Trojan.Heur.emGfXDuej1b
TACHYON Worm/W32.Morto.68096
Acronis suspicious
McAfee MultiDropper-BU
MAX malware (ai score=100)
VBA32 OScope.Worm.Morto.3821
Malwarebytes Malware.Heuristic.1003
TrendMicro-HouseCall Cryp_Xed-16
Rising Dropper.Win32.Mnless.emv (CLOUD)
Yandex Trojan.GenAsa!4WESCi+5MMI
Ikarus Worm.Win32.Morto
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Morto.B!worm.im
AVG Win32:Malware-gen
Qihoo-360 Worm.Win32.Morto.A

How to remove Worm:Win32/Morto!A virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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 Worm:Win32/Morto!A 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 Worm:Win32/Morto!A you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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