Written by Robert Bailey

What is Trojan-Ransom.Win32.Blocker.jmmm infection?

In this short article you will discover about the interpretation of Trojan-Ransom.Win32.Blocker.jmmm and its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet frauds to require paying the ransom money by a victim.

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Most of the situations, Trojan-Ransom.Win32.Blocker.jmmm infection will instruct its sufferers to initiate funds move for the objective of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Trojan-Ransom.Win32.Blocker.jmmm Summary

These alterations can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Detects VirtualBox through the presence of a library;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Creates a registry key or value with NUL characters to avoid detection with regedit;
  • Installs itself for autorun at Windows startup;
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • Attempts to identify installed analysis tools by registry key;
  • Attempts to identify installed AV products by installation directory;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a file;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a file;
  • Detects VMware through the presence of a registry key;
  • Detects Virtual PC through the presence of a file;
  • Attempts to modify browser security settings;
  • Generates some ICMP traffic;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the sufferer’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;


One of the most typical networks where Trojan-Ransom.Win32.Blocker.jmmm are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that organizes a malicious software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or protect against the gadget from operating in an appropriate fashion – while also positioning a ransom note that mentions the need for the victims to impact the payment for the function of decrypting the papers or restoring the documents system back to the first condition. In a lot of circumstances, the ransom note will certainly come up when the client reboots the PC after the system has already been damaged.

Trojan-Ransom.Win32.Blocker.jmmm circulation channels.

In different edges of the globe, Trojan-Ransom.Win32.Blocker.jmmm expands by jumps and bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom amount might vary depending upon particular regional (local) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might vary depending on specific regional (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the sufferer’s tool. The alert after that demands the user to pay the ransom money.

    Faulty statements regarding unlawful material.

    In countries where software piracy is less prominent, this technique is not as reliable for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Blocker.jmmm popup alert may incorrectly declare to be stemming from a law enforcement establishment and also will certainly report having situated youngster pornography or various other illegal information on the device.

    Trojan-Ransom.Win32.Blocker.jmmm popup alert may incorrectly claim to be obtaining from a regulation enforcement establishment as well as will certainly report having located youngster pornography or other prohibited data on the tool. The alert will in a similar way have a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 4540966A
md5: 835b344868be98baf50d937322077fdf
name: 835B344868BE98BAF50D937322077FDF.mlw
sha1: c7ee6845725e1cf99397452bec516bc28a18dfa4
sha256: 28efbad994420537e76110308786672fdcba89005ff109c30ba5e4874bb60c63
sha512: ab5ae48476eb0532ba09827d09557c1a29019c80287d3bc5f01f2bdbea7a4cbdc206a487f355e8c4a7a8c1a5b0c76972a1785a40a879c470b75c41c7d4bb4ef4
ssdeep: 6144:2CT0n9C3i5EFeUynHPgjpsg4VmbAxoFw1Ukx6BLXbruN5cigNWKScVUkI+mJ:/0ne0EIUegjb4zxewtx6BLXUnyWtdJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Blocker.jmmm also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004eaf651 )
Elastic malicious (high confidence)
DrWeb Trojan.Kovter.297
Cynet Malicious (score: 100)
ALYac Gen:Heur.Mint.Titirez.uGX@We6yK0h
Cylance Unsafe
Zillya Trojan.KovterCRTD.Win32.3485
Sangfor Suspicious.Win32.Save.a
K7GW Trojan ( 004eaf651 )
Cybereason malicious.868be9
Symantec Trojan.Gen
ESET-NOD32 Win32/Kovter.D
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Midie-9828079-0
Kaspersky Trojan-Ransom.Win32.Blocker.jmmm
BitDefender Gen:Heur.Mint.Titirez.uGX@We6yK0h
NANO-Antivirus Trojan.Win32.AD.egauny
ViRobot Trojan.Win32.U.Agent.333824.C
MicroWorld-eScan Gen:Heur.Mint.Titirez.uGX@We6yK0h
Tencent Malware.Win32.Gencirc.10bf008d
Ad-Aware Gen:Heur.Mint.Titirez.uGX@We6yK0h
Sophos Mal/Generic-S
BitDefenderTheta AI:Packer.68BA445A18
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.bfl
Emsisoft Gen:Heur.Mint.Titirez.uGX@We6yK0h (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.fbg
Webroot W32.Trojan.Gen
Avira TR/AD.Kovter.xvsvr
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.1AE6C94
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Kovter
ZoneAlarm Trojan-Ransom.Win32.Blocker.jmmm
GData Gen:Heur.Mint.Titirez.uGX@We6yK0h
AhnLab-V3 Trojan/Win32.Blocker.R189791
McAfee Generic.bfl
MAX malware (ai score=80)
VBA32 TScope.Trojan.Delf
Panda Trj/CI.A
Yandex Trojan.GenAsa!H3uGJqzVrO8
Ikarus Trojan.Win32.Kovter
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Generic.AC.380506!tr
AVG Win32:Trojan-gen

How to remove Trojan-Ransom.Win32.Blocker.jmmm 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 Trojan-Ransom.Win32.Blocker.jmmm 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 Trojan-Ransom.Win32.Blocker.jmmm 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

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

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