MSIL/Agent.BYD
Emily Beck
Updated on May 14, 2026
What is MSIL/Agent.BYD infection?
In this article you will certainly find concerning the meaning of MSIL/Agent.BYD and also its negative impact on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom by a victim.
Most of the cases, MSIL/Agent.BYD virus will advise its victims to start funds move for the function of neutralizing the changes that the Trojan infection has introduced to the victim’s device.
MSIL/Agent.BYD Summary
These adjustments can be as follows:
- 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 records situated on the target’s hard drive — so the sufferer can no more utilize the data;
- Preventing routine access to the sufferer’s workstation;
| z.whorecord.xyz | HEUR:Trojan-Ransom.MSIL.Blocker.gen |
MSIL/Agent.BYD
One of the most common channels through which MSIL/Agent.BYD Ransomware Trojans are injected are:
- By means of phishing emails;
- As a consequence of customer winding up on a source that holds a destructive software;
As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or protect against the device from operating in an appropriate way – while likewise placing a ransom money note that discusses the need for the targets to effect the settlement for the function of decrypting the documents or restoring the data system back to the initial condition. In most instances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has currently been damaged.
MSIL/Agent.BYD distribution networks.
In various corners of the world, MSIL/Agent.BYD expands by leaps and bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money quantity might vary depending upon specific local (local) settings. The ransom notes and tricks of extorting the ransom money amount may vary depending on specific regional (local) setups.
For instance:
Faulty informs about unlicensed software application.
In specific areas, the Trojans usually wrongfully report having detected some unlicensed applications allowed on the sufferer’s tool. The sharp then requires the customer to pay the ransom.
Faulty statements regarding illegal material.
In countries where software program piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the MSIL/Agent.BYD popup alert may wrongly declare to be deriving from a law enforcement establishment and will certainly report having situated child porn or various other unlawful information on the tool.
MSIL/Agent.BYD popup alert might falsely claim to be deriving from a legislation enforcement organization as well as will report having situated child pornography or various other unlawful information on the tool. The alert will likewise include a need for the customer to pay the ransom money.
Technical details
File Info:
crc32: 42E9E067md5: a5e479c790da6284a14a5f3da9c33679name: client.exesha1: 316ba857616398cdf54803e59cd5e11da61c77c5sha256: 3978e4c046c324f9119126707f15080d5e0ead8ea10ea785bfced6b52bf7c6f0sha512: 55e46b004baa4f9d57176668865e1b7ddffb78fd7e38e3cc719ebab2d2f5eafd3b649c252cc6c7f756c6570eb8366097c1166b79b83f73cd082776cea9f823bdssdeep: 3072:OgZApdYrD28fbJB2yLtyTkbjjxK3QdjrxivW+DXnH4vymb61j:O/pe1J0kbXtrxivW+D34vQtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS WindowsVersion Info:
Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2019Assembly Version: 1.0.0.0InternalName: VanillaStub.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: VanillaStubProductVersion: 1.0.0.0FileDescription: VanillaStubOriginalFilename: VanillaStub.exe
MSIL/Agent.BYD also known as:
| GridinSoft | Trojan.Ransom.Gen |
| MicroWorld-eScan | Gen:Variant.Razy.589660 |
| CAT-QuickHeal | Trojan.YakbeexMSIL.ZZ4 |
| McAfee | GenericRXIF-TH!A5E479C790DA |
| Cylance | Unsafe |
| K7AntiVirus | Trojan ( 0054dd361 ) |
| BitDefender | Gen:Variant.Razy.589660 |
| K7GW | Trojan ( 0054dd361 ) |
| Cybereason | malicious.790da6 |
| Arcabit | Trojan.Razy.D8FF5C |
| Invincea | heuristic |
| ESET-NOD32 | a variant of MSIL/Agent.BYD |
| Kaspersky | HEUR:Trojan-Ransom.MSIL.Blocker.gen |
| Endgame | malicious (high confidence) |
| Emsisoft | Gen:Variant.Razy.589660 (B) |
| F-Secure | |
| DrWeb | Trojan.DownLoader30.7283 |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.gz |
| Fortinet | MSIL/Agent.BYD!tr |
| FireEye | Generic.mg.a5e479c790da6284 |
| Ikarus | Backdoor.Quasar |
| Jiangmin | Trojan.MSIL.lmst |
| Webroot | W32.Trojan.Gen |
| Avira | TR/Dropper.Gen |
| MAX | malware (ai score=84) |
| Microsoft | Trojan:Win32/Wacatac.D!ml |
| ZoneAlarm | HEUR:Trojan-Ransom.MSIL.Blocker.gen |
| AhnLab-V3 | Malware/Win32.RL_Generic.R278710 |
| Acronis | suspicious |
| ALYac | Gen:Variant.Razy.589660 |
| Ad-Aware | Gen:Variant.Razy.589660 |
| Malwarebytes | Spyware.PasswordStealer |
| Panda | Trj/GdSda.A |
| Rising | Trojan.Agent!8.B1E (TFE:dGZlOgyYmIMlq+Y97g) |
| SentinelOne | DFI – Malicious PE |
| GData | Gen:Variant.Razy.589660 |
| BitDefenderTheta | Gen:NN.ZemsilF.34104.zm3@aKshC6d |
| AVG | Win32:RATX-gen [Trj] |
| Avast | Win32:RATX-gen [Trj] |
| CrowdStrike | win/malicious_confidence_100% (D) |
| MaxSecure | Trojan.Malware.73689294.susgen |
How to remove MSIL/Agent.BYD ransomware?
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:
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 MSIL/Agent.BYD 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 MSIL/Agent.BYD you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
