MSIL/Kryptik.AHA
Sarah Oconnell
Updated on March 08, 2026
What is MSIL/Kryptik.AHA infection?
In this post you will certainly discover concerning the definition of MSIL/Kryptik.AHA and its adverse impact on your computer. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom money by a victim.
Most of the situations, MSIL/Kryptik.AHA infection will instruct its victims to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s device.
MSIL/Kryptik.AHA Summary
These alterations can be as adheres to:
- 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.
- Uses Windows utilities for basic functionality;
- Sniffs keystrokes;
- 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
- Creates a copy of itself;
- Ciphering the files found on the sufferer’s hard disk — so the victim can no longer make use of the data;
- Preventing regular accessibility to the victim’s workstation;
| z.whorecord.xyz | Ransom:Win32/Blocker.09f52606 |
| a.tomx.xyz | Ransom:Win32/Blocker.09f52606 |
MSIL/Kryptik.AHA
One of the most regular channels where MSIL/Kryptik.AHA Ransomware Trojans are injected are:
- By ways of phishing e-mails;
- As a repercussion of user ending up on a source that hosts a harmful software application;
As soon as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s PC or prevent the gadget from functioning in a correct way – while also positioning a ransom note that discusses the requirement for the victims to effect the settlement for the objective of decrypting the papers or recovering the data system back to the initial condition. In most circumstances, the ransom money note will show up when the customer reboots the COMPUTER after the system has actually already been damaged.
MSIL/Kryptik.AHA distribution channels.
In different corners of the globe, MSIL/Kryptik.AHA grows by leaps and bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom money amount might differ depending upon certain local (local) setups. The ransom notes and techniques of obtaining the ransom money amount may vary depending on particular neighborhood (regional) setups.
As an example:
Faulty informs regarding unlicensed software.
In specific locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s gadget. The alert then demands the individual to pay the ransom money.
Faulty declarations concerning unlawful content.
In countries where software application piracy is less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the MSIL/Kryptik.AHA popup alert may falsely claim to be deriving from a police organization and will certainly report having located kid porn or various other prohibited data on the tool.
MSIL/Kryptik.AHA popup alert may incorrectly declare to be deriving from a law enforcement establishment and also will certainly report having situated child pornography or other prohibited data on the tool. The alert will similarly consist of a need for the customer to pay the ransom money.
Technical details
File Info:
crc32: E4164E66md5: 6eabb73eba74a08c1d48202d887aa9e6name: 6EABB73EBA74A08C1D48202D887AA9E6.mlwsha1: 8d5cbb02c45bae46db2a6e7372eeedfce7c249basha256: a3f5aaeefd56c2b8f3b0dd71955fa11e2c7b312c7271c1624b474f44210eebf2sha512: bda8a3904fcc6daa582fe9aa2d71ae80f9770d6d9c97d24a6a5cfe67a8f0496760e38f60a1acfca81c8a7dcb0471097738ceb593dc01cee815ae5da33fe351a6ssdeep: 1536:zqom/tf0rfsWscQYh6FvTNHN5CPEkQZG0fXPzg/7HMrq2fo8A:MtfE9QYhsvTNt80ZG0fXPEzsrqYAtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS WindowsVersion Info:
Translation: 0x0000 0x04b0LegalCopyright: AAaYVV6WrFd1Assembly Version: 4.2.4.5InternalName: Love Song.exeFileVersion: 4.1.5.x200b0CompanyName: AAaYVV6WrFd1LegalTrademarks: GFa754(6uMdxa7Comments: GFa754(6uMdxa7ProductName: GFa754(6uMdxa7ProductVersion: 4.1.5.x200b0FileDescription: AAaYVV6WrFd1OriginalFilename: Love Song.exe
MSIL/Kryptik.AHA also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 0055e3981 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.DownLoader16.1410 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Variant.Razy.9594 |
| Cylance | Unsafe |
| Zillya | Trojan.Blocker.Win32.33080 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_60% (D) |
| Alibaba | Ransom:Win32/Blocker.09f52606 |
| K7GW | Trojan ( 0055e3981 ) |
| Cybereason | malicious.eba74a |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of MSIL/Kryptik.AHA |
| APEX | Malicious |
| Avast | MSIL:GenMalicious-KT [Trj] |
| ClamAV | Win.Dropper.Formbook-9085597-0 |
| Kaspersky | Trojan-Ransom.Win32.Blocker.iabe |
| BitDefender | Gen:Variant.Razy.9594 |
| NANO-Antivirus | Trojan.Win32.Kryptik.dfivna |
| MicroWorld-eScan | Gen:Variant.Razy.9594 |
| Tencent | Win32.Trojan.Blocker.Wsul |
| Ad-Aware | Gen:Variant.Razy.9594 |
| Sophos | ML/PE-A + Mal/MSIL-SH |
| Comodo | Malware@#2zngbmbdkkb03 |
| BitDefenderTheta | Gen:NN.ZemsilF.34692.km0@aCb2jQe |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | Trojan-FDWX!6EABB73EBA74 |
| FireEye | Generic.mg.6eabb73eba74a08c |
| Emsisoft | Gen:Variant.Razy.9594 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan.Blocker.bec |
| Avira | TR/Dropper.MSIL.Gen |
| Antiy-AVL | Trojan/Generic.ASMalwS.C03312 |
| Microsoft | Trojan:Win32/Occamy.C |
| AegisLab | Trojan.Win32.Generic.mCej |
| ZoneAlarm | Trojan-Ransom.Win32.Blocker.iabe |
| GData | Gen:Variant.Razy.9594 |
| AhnLab-V3 | Trojan/Win32.Crypt.C116983 |
| McAfee | Trojan-FDWX!6EABB73EBA74 |
| MAX | malware (ai score=88) |
| VBA32 | TrojanRansom.Blocker |
| Malwarebytes | Trojan.MalPack.MSIL |
| Panda | Trj/CI.A |
| Rising | Ransom.Blocker!8.12A (CLOUD) |
| Yandex | Trojan.Blocker!/grGli7okF4 |
| Ikarus | MSIL |
| MaxSecure | Trojan.Malware.300983.susgen |
| Fortinet | W32/Generic.ADH!tr |
| AVG | MSIL:GenMalicious-KT [Trj] |
| Paloalto | generic.ml |
How to remove MSIL/Kryptik.AHA virus?
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 MSIL/Kryptik.AHA 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/Kryptik.AHA you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
