Win32/Kryptik.AWST

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.AWST infection?

In this post you will certainly find concerning the meaning of Win32/Kryptik.AWST as well as its negative influence on your computer system. Such ransomware are a type of malware that is clarified by on the internet scams to require paying the ransom money by a target.

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Most of the situations, Win32/Kryptik.AWST infection will certainly advise its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.AWST Summary

These modifications can be as follows:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • 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.
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Deletes its original binary from disk;
  • A process was set to shut the system down when terminated;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Ciphering the papers located on the sufferer’s hard drive — so the target can no more make use of the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom:Win32/Injector.9be29bc9
a.tomx.xyz Ransom:Win32/Injector.9be29bc9

Win32/Kryptik.AWST

One of the most typical networks where Win32/Kryptik.AWST Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a source that hosts a destructive software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or stop the tool from functioning in a proper way – while also positioning a ransom note that mentions the requirement for the targets to impact the payment for the objective of decrypting the papers or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.

Win32/Kryptik.AWST distribution networks.

In various corners of the world, Win32/Kryptik.AWST expands by jumps and also bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom quantity may vary depending on certain local (local) setups. The ransom money notes and methods of extorting the ransom quantity might vary depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In certain areas, the Trojans usually wrongfully report having found some unlicensed applications enabled on the victim’s device. The sharp after that requires the individual to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software program piracy is less prominent, this method is not as reliable for the cyber scams. Additionally, the Win32/Kryptik.AWST popup alert might incorrectly claim to be originating from a police establishment and will report having located kid pornography or other prohibited data on the gadget.

    Win32/Kryptik.AWST popup alert may wrongly assert to be acquiring from a regulation enforcement establishment as well as will certainly report having situated child porn or various other prohibited data on the device. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: A83D4B79
md5: 1627b61e35515367ccf17a974d285b90
name: 1627B61E35515367CCF17A974D285B90.mlw
sha1: 0a595fd8acab2c2fb61fa459654cd3bc87407c12
sha256: 844a20ae19f58870b247788d07ebefb0168cc385fa2f0cb448c1e12536a31be1
sha512: 4029868e330b5dd07e4bbfb263631b0ebc96ecca586fcdcb8f49a77bcbf1894d53de187e32d5327855f2cd8fe696bc6a432c5bd75fc82f060247ca09bfd639bd
ssdeep: 768:UZpCTdf1Y+ox3s2NfMamxwYPdx89tKN09KAShdf5WxKR2cX:AoTdf1eeg7Svx89t19KASvfEi2cX
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.AWST also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004309a31 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop4.27314
Cynet Malicious (score: 100)
ALYac Gen:Heur.Locky.2
Cylance Unsafe
Zillya Trojan.Blocker.Win32.6542
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Injector.9be29bc9
K7GW Trojan ( 004309a31 )
Cybereason malicious.e35515
Symantec Packed.Generic.406
ESET-NOD32 a variant of Win32/Kryptik.AWST
APEX Malicious
Avast Win32:DangerousSig [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Locky.2
NANO-Antivirus Trojan.Win32.Androm.ftzqhj
MicroWorld-eScan Gen:Heur.Locky.2
Tencent Win32.Trojan.Falsesign.Dvzr
Ad-Aware Gen:Heur.Locky.2
Sophos Mal/Generic-R + Troj/Ransom-QA
Comodo Malware@#3lurr8kagjbbd
VIPRE Trojan.Win32.Reveton.a (v)
TrendMicro TROJ_SPNR.35DF13
McAfee-GW-Edition PWS-Zbot-FAKU!1627B61E3551
FireEye Generic.mg.1627b61e35515367
Emsisoft Gen:Heur.Locky.2 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Blocker.dpn
Webroot W32.FakeAlert.Gen
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan/Generic.ASMalwS.520038
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Tobfy.S
AegisLab Trojan.Win32.Androm.lW9Q
GData Gen:Heur.Locky.2
TACHYON Trojan/W32.Blocker.46872
AhnLab-V3 Spyware/Win32.Zbot.R58447
Acronis suspicious
McAfee PWS-Zbot-FAKU!1627B61E3551
MAX malware (ai score=100)
VBA32 Backdoor.Androm
Malwarebytes Spyware.Zbot.ED
Panda Trj/Hexas.HEU
TrendMicro-HouseCall TROJ_SPNR.35DF13
Rising Ransom.Tobfy!8.339 (CLOUD)
Ikarus Trojan-Ransom.Blocker
MaxSecure Trojan.Malware.5443767.susgen
Fortinet W32/Krypt.ANTO!tr
AVG Win32:DangerousSig [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.AWST 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 Win32/Kryptik.AWST 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 Win32/Kryptik.AWST you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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