Worm:MSIL/Knowlog.A
James White
Updated on March 06, 2026
What is Worm:MSIL/Knowlog.A infection?
In this article you will find concerning the definition of Worm:MSIL/Knowlog.A and its adverse effect on your computer. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom by a target.
Most of the situations, Worm:MSIL/Knowlog.A infection will certainly advise its targets to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.
Worm:MSIL/Knowlog.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.
- 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.
- The executable is compressed using UPX;
- Ciphering the papers situated on the victim’s hard disk drive — so the victim can no longer utilize the data;
- Preventing routine accessibility 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.
| automation.whatismyip.com | Trojan-Ransom.Win32.Blocker.kqeh |
Worm:MSIL/Knowlog.A
The most regular channels through which Worm:MSIL/Knowlog.A Trojans are infused are:
- By means of phishing emails;
- As an effect of user winding up on a resource that organizes a harmful software program;
As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or avoid the device from functioning in a correct manner – while additionally putting a ransom note that mentions the need for the sufferers to impact the payment for the objective of decrypting the papers or recovering the documents system back to the preliminary problem. In many instances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.
Worm:MSIL/Knowlog.A circulation channels.
In numerous corners of the world, Worm:MSIL/Knowlog.A expands by jumps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom quantity might differ depending on certain regional (regional) setups. The ransom money notes and methods of obtaining the ransom quantity might differ depending on specific local (local) settings.
As an example:
Faulty notifies concerning unlicensed software.
In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The alert then requires the customer to pay the ransom money.
Faulty statements regarding illegal content.
In countries where software application piracy is much less preferred, this method is not as reliable for the cyber scams. Additionally, the Worm:MSIL/Knowlog.A popup alert might wrongly claim to be originating from a police establishment as well as will certainly report having located youngster porn or other illegal data on the device.
Worm:MSIL/Knowlog.A popup alert may incorrectly declare to be deriving from a law enforcement establishment and will report having located youngster pornography or various other prohibited data on the tool. The alert will in a similar way consist of a need for the individual to pay the ransom.
Technical details
File Info:
crc32: DCD2836Emd5: b7cd02414d36b2ec624140faebf175a1name: B7CD02414D36B2EC624140FAEBF175A1.mlwsha1: 4e6deb0737e724831dda45489e2d3686ca643234sha256: 0a979377dfb37d034c29911e74193f82918289e72ed62092edacd322d36fb416sha512: 2d76261135072fff2f5db3d9fc7c705397886dc247d0e891c52469f7954f44b4951267cc63464dd4c5267cf8aef0d0d599655fe0eaa54840821d8644c56f0348ssdeep: 6144:t6ByCLWztvZLgnr9tDRTEf9n6evNZ6KZoS:Q0CktlytTg96evNZ6KZoStype: PE32 executable (console) Intel 80386, for MS Windows, UPX compressedVersion Info:
0: [No Data]
Worm:MSIL/Knowlog.A also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 0051918e1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.MulDrop7.57551 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Variant.Symmi.86895 |
| Cylance | Unsafe |
| Sangfor | Trojan.Win32.Save.a |
| K7GW | Trojan ( 0051918e1 ) |
| Cybereason | malicious.14d36b |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | MSIL/PSW.Agent.NEX |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| ClamAV | Win.Trojan.Jaiko-7603839-0 |
| Kaspersky | Trojan-Ransom.Win32.Blocker.kqeh |
| BitDefender | Gen:Variant.Symmi.86895 |
| NANO-Antivirus | Trojan.Win32.Kryptik.ewvdar |
| MicroWorld-eScan | Gen:Variant.Symmi.86895 |
| Tencent | Win32.Trojan.Blocker.Phqj |
| Ad-Aware | Gen:Variant.Symmi.86895 |
| Sophos | Mal/Generic-S |
| Comodo | Malware@#7b3x5359lbla |
| BitDefenderTheta | Gen:NN.ZexaF.34684.mmGfamY5iep |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.cc |
| FireEye | Generic.mg.b7cd02414d36b2ec |
| Emsisoft | Gen:Variant.Symmi.86895 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Jiangmin | Worm.Generic.dwh |
| Avira | HEUR/AGEN.1115821 |
| eGambit | Unsafe.AI_Score_99% |
| Antiy-AVL | Trojan/Win32.SchoolBoy |
| Microsoft | Worm:MSIL/Knowlog.A |
| Arcabit | Trojan.Symmi.D1536F |
| AegisLab | Trojan.Win32.Generic.4!c |
| ZoneAlarm | Trojan-Ransom.Win32.Blocker.kqeh |
| GData | Gen:Variant.Symmi.86895 |
| AhnLab-V3 | Malware/Win32.RL_Generic.R267931 |
| Acronis | suspicious |
| McAfee | Artemis!B7CD02414D36 |
| MAX | malware (ai score=96) |
| VBA32 | Trojan.MulDrop |
| Malwarebytes | Malware.AI.674547925 |
| Panda | Trj/CI.A |
| Rising | Worm.Knowlog!8.261 (CLOUD) |
| Yandex | Trojan.Blocker!LJJ99hxC4zU |
| Ikarus | Trojan.Win32.Crypt |
| MaxSecure | Trojan.Malware.300983.susgen |
| Fortinet | W32/Generic.AC.4030da!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
How to remove Worm:MSIL/Knowlog.A ransomware?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Worm:MSIL/Knowlog.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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Worm:MSIL/Knowlog.A you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
