Win32/Kryptik.GASG

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

What is Win32/Kryptik.GASG infection?

In this short article you will locate about the interpretation of Win32/Kryptik.GASG and its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom money by a target.

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Most of the cases, Win32/Kryptik.GASG infection will instruct its victims to start funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.GASG Summary

These alterations 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to delete volume shadow copies;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the victim’s disk drive — so the sufferer can no more make use of the information;
  • Preventing normal access 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.

Win32/Kryptik.GASG

One of the most typical networks through which Win32/Kryptik.GASG Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual winding up on a source that holds a destructive software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or stop the tool from operating in a correct fashion – while also putting a ransom money note that mentions the need for the victims to impact the settlement for the objective of decrypting the files or bring back the file system back to the preliminary problem. In a lot of circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.GASG circulation channels.

In different edges of the world, Win32/Kryptik.GASG expands by jumps and bounds. Nonetheless, the ransom money notes and methods of obtaining the ransom money quantity might vary relying on certain regional (regional) settings. The ransom money notes and also techniques of extorting the ransom money amount might vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the individual to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software piracy is less preferred, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Kryptik.GASG popup alert may incorrectly declare to be originating from a law enforcement institution and also will report having situated child pornography or other illegal information on the tool.

    Win32/Kryptik.GASG popup alert might falsely assert to be obtaining from a legislation enforcement institution as well as will report having situated kid porn or other illegal data on the gadget. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 005F3293
md5: dec1528c89875619dc2a82698f54ef84
name: DEC1528C89875619DC2A82698F54EF84.mlw
sha1: 5fb18e5a00d15e49398889021c1893cd4d6cac71
sha256: 0599e6f2c319a915b5ff7d162a792e6b4329a03c0087d0a1b808ce8ffa43f7b3
sha512: b45fcb41ef42af75ff2455fa6573eb26547a842a2bfb7e340f5b9732c0d1e59b58f6e3d0745f4e864ca1724932694de4a97d05b2e799a747153f029fd267023e
ssdeep: 3072:mR57w0H814HmPu2uHnahR++7Bc5GByejx8Zh4PxlH1KBdOdkk7Y/HEgYupg6Bog:2HS2juRBBqeF84PPH1gHkU/EgYG3X
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GASG also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.BRMon.Gen.3
CylanceUnsafe
ZillyaTrojan.Generic.Win32.91484
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Gandcrab.99774a80
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.c89875
CyrenW32/S-d9398ad0!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GASG
APEXMalicious
AvastFileRepMalware
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.3
NANO-AntivirusTrojan.Win32.Kryptik.ewhpye
MicroWorld-eScanTrojan.BRMon.Gen.3
TencentWin32.Trojan.Generic.Wweb
Ad-AwareTrojan.BRMon.Gen.3
SophosMal/Generic-S + Mal/Ransom-FN
ComodoTrojWare.Win32.Zuepan.B@7iuza0
BitDefenderThetaGen:NN.ZexaF.34608.ruW@aCL788ii
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPGANDCRAB.SMG2
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.dec1528c89875619
EmsisoftTrojan.BRMon.Gen.3 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1106533
MicrosoftRansom:Win32/Gandcrab.SF!MTB
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.BRMon.Gen.3
AhnLab-V3Trojan/Win32.MalCryptedB.R215809
Acronissuspicious
McAfeePacked-ZG!DEC1528C8987
MAXmalware (ai score=97)
VBA32BScope.Trojan.Download
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMG2
RisingRansom.Gandcrab!8.F355 (CLOUD)
IkarusTrojan.Win32.Crypt
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.GASG!tr.ransom
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HwoCE1oA

How to remove Win32/Kryptik.GASG ransomware?

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.GASG 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.GASG 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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