MSIL/Kryptik.AETT

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/Kryptik.AETT detection means that your system is in big danger. This virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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MSIL/Kryptik.AETT detection is a virus detection you can spectate in your computer. It frequently appears after the preliminary procedures on your PC – opening the dubious email messages, clicking the banner in the Internet or installing the program from unreliable sources. From the second it appears, you have a short time to take action before it begins its destructive activity. And be sure – it is far better not to wait for these destructive things.

What is MSIL/Kryptik.AETT virus?

MSIL/Kryptik.AETT is ransomware-type malware. It looks for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It modifies the networking setups in order to prevent you from checking out the elimination manuals or downloading the antivirus. In rare cases, MSIL/Kryptik.AETT can also stop the setup of anti-malware programs.

MSIL/Kryptik.AETT Summary

In total, MSIL/Kryptik.AETT virus activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Manipuri;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the documents kept on the victim’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more harmful virus for both individuals and companies. The algorithms used in MSIL/Kryptik.AETT (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these bad things instantly – it may take up to several hours to cipher all of your files. Thus, seeing the MSIL/Kryptik.AETT detection is a clear signal that you have to begin the removal procedure.

Where did I get the MSIL/Kryptik.AETT?

Routine tactics of MSIL/Kryptik.AETT spreading are common for all other ransomware variants. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a pretty new tactic in malware spreading – you receive the e-mail that imitates some normal notifications about shippings or bank service conditions changes. Inside of the e-mail, there is an infected MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty uncomplicated, but still demands a lot of focus. Malware can hide in various spots, and it is far better to stop it even before it goes into your PC than to depend on an anti-malware program. Simple cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That may keep you a great deal of time and money which you would spend while searching for a fixing guide.

MSIL/Kryptik.AETT malware technical details

File Info:

name: A86729492981CD5C307D.mlw
path: /opt/CAPEv2/storage/binaries/7c0cf18cefce57771029a70f079c41cde0de3a4058db5c13bd61b7a57b36e5bc
crc32: B90CAFC3
md5: a86729492981cd5c307db3bdfad33ccb
sha1: 1545f4ace120d7d10547e3db45da598cc9bd30b1
sha256: 7c0cf18cefce57771029a70f079c41cde0de3a4058db5c13bd61b7a57b36e5bc
sha512: 00e751102e63b5e69211483b704bae0ccd55562833bdf73bd24e0b8fb56f69d4b67e57cbd9356e0596cc88c34e82e016d09c0380dfd78f126558749993da018e
ssdeep: 3072:LLBFVXogct/U6T+XdrtlV0RhmMIVU02eBTwRjBPY:PVXPcu6T+XdpEhmJ9Bkv
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17634AE127390C472C3A716306875D6B12A7ABC729FB7548BB3AD3B3A1E702D11AF4746
sha3_384: 590f5c1af1f51d7bbb7a9cfd727d33d1af7043fe0970d5167a73e099b1ae98ff6c0909f7cb8c3d9f49b318918a10b8bd
ep_bytes: e8354c0000e989feffff8bff558bec83
timestamp: 2021-06-12 12:36:48

Version Info:

FileVersion: 39.42.15.19
Copyrighz: Copyright (C) 2022, pazkarte
ProjectVersion: 25.13.80.11

MSIL/Kryptik.AETT also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.50099040
ALYacTrojan.GenericKD.50099040
CylanceUnsafe
K7AntiVirusRiskware ( 00584baa1 )
BitDefenderTrojan.GenericKD.50099040
K7GWRiskware ( 00584baa1 )
Cybereasonmalicious.ce120d
ArcabitTrojan.Generic.D2FC7360
CyrenW32/Strab.A.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of MSIL/Kryptik.AETT
TrendMicro-HouseCallRansom_StopCrypt.R067C0DDH22
KasperskyHEUR:Trojan.Win32.Agent.gen
NANO-AntivirusTrojan.Win32.Kryptik.jnzcma
APEXMalicious
RisingTrojan.Kryptik!1.D977 (CLOUD)
Ad-AwareTrojan.GenericKD.50099040
SophosML/PE-A + Troj/Krypt-IR
DrWebTrojan.DownLoader44.49412
TrendMicroRansom_StopCrypt.R067C0DDH22
McAfee-GW-EditionBehavesLike.Win32.Downloader.dm
FireEyeGeneric.mg.a86729492981cd5c
EmsisoftTrojan.Crypt (A)
IkarusTrojan.Win32.Crypt
JiangminBackdoor.Gulpix.aat
AviraTR/Kryptik.koxwb
MAXmalware (ai score=87)
MicrosoftRansom:Win32/StopCrypt.PBF!MTB
GDataWin32.Trojan.PSE.5LZ3U4
CynetMalicious (score: 100)
AhnLab-V3Packed/Win.GDT.R483294
McAfeePacked-GDT!A86729492981
VBA32BScope.Malware-Cryptor.Hlux
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
TencentTrojan-Spy.Win32.Stealer.16000356
YandexTrojan.Agent!LxmMTFh6vhU
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Packed.GDT!tr
AVGWin32:AceCrypter-U [Cryp]
AvastWin32:AceCrypter-U [Cryp]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove MSIL/Kryptik.AETT?

MSIL/Kryptik.AETT malware is incredibly difficult to eliminate by hand. It puts its files in multiple places throughout the disk, and can get back itself from one of the elements. Moreover, various changes in the registry, networking settings and Group Policies are pretty hard to find and revert to the original. It is better to use a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated nearly every hour. In addition, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for clearing away malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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