Win32/Kryptik.GAUX

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

What is Win32/Kryptik.GAUX infection?

In this short article you will discover about the meaning of Win32/Kryptik.GAUX and also its adverse impact on your computer. Such ransomware are a kind of malware that is clarified by online frauds to demand paying the ransom by a victim.

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In the majority of the instances, Win32/Kryptik.GAUX ransomware will certainly advise its sufferers to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.GAUX Summary

These adjustments can be as adheres to:

  • Mimics the system’s user agent string for its own 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.
  • 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;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk — so the sufferer can no longer use the data;
  • Preventing normal access to the sufferer’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.GAUX

One of the most normal networks where Win32/Kryptik.GAUX Trojans 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 consequence of individual winding up on a source that organizes a harmful software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or stop the gadget from working in a proper fashion – while additionally putting a ransom money note that mentions the demand for the targets to impact the settlement for the function of decrypting the papers or recovering the documents system back to the preliminary problem. In a lot of instances, the ransom note will certainly turn up when the client restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.GAUX distribution networks.

In different edges of the world, Win32/Kryptik.GAUX grows by jumps and also bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom amount may vary depending on specific neighborhood (local) setups. The ransom money notes and tricks of extorting the ransom amount may differ depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The alert after that requires the individual to pay the ransom.

    Faulty declarations about prohibited material.

    In nations where software program piracy is less popular, this method is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.GAUX popup alert may wrongly assert to be deriving from a police establishment and also will certainly report having located child pornography or other unlawful information on the device.

    Win32/Kryptik.GAUX popup alert might wrongly claim to be deriving from a regulation enforcement organization and will report having situated child pornography or other prohibited data on the tool. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 38F956EF
md5: 8ff99a7ab1e2fedb6df3f7a6f35b5ea4
name: 8FF99A7AB1E2FEDB6DF3F7A6F35B5EA4.mlw
sha1: 3f38a29492750952317e25fc2f166e35139bea5f
sha256: 71dcafe1e2cecea7fdbd0f3ce17444c6f637b503037152b69db7bbcedc4d9c8c
sha512: 6a6dca4295d61843eeeca226b076e4305fe5333232fed8da9021ca8aa2b012c2c0b98e43506d985c695e32171dffbb3a73e622d74362e81da8c412b5fb08d9d5
ssdeep: 3072:W7VrzFNqrJpbqDaJ+G0vqaV+TTae0W8Se2q5lv7lDvYnHRnXwTXnQno07v7pEB+:SVnMVJa7+T3Fe2i7Rvipwso0Xq4P9Y0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GAUX also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.DownLoad3.60268
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacTrojan.BRMon.Gen.4
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Gandcrab.b66398a5
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.ab1e2f
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GAUX
APEXMalicious
AvastFileRepMalware
ClamAVWin.Packer.Crypter-6539596-1
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.4
NANO-AntivirusTrojan.Win32.DownLoad3.eyfdyu
ViRobotTrojan.Win32.GlobeImposter.225280
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.BRMon.Gen.4
TencentMalware.Win32.Gencirc.1149466c
Ad-AwareTrojan.BRMon.Gen.4
SophosMal/Generic-R + Mal/GandCrab-D
ComodoMalware@#8nulu6kumybs
BitDefenderThetaGen:NN.ZexaF.34670.suW@amEyAAf
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPGANDCRAB.SMONT
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.8ff99a7ab1e2fedb
EmsisoftTrojan.BRMon.Gen.4 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.bvbsu
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1106533
eGambitUnsafe.AI_Score_98%
MicrosoftRansom:Win32/Gandcrab.SF!MTB
ArcabitTrojan.BRMon.Gen.4
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.BRMon.Gen.4
AhnLab-V3Win-Trojan/MalPe26.Suspicious.X2012
Acronissuspicious
McAfeeArtemis!8FF99A7AB1E2
MAXmalware (ai score=99)
VBA32Trojan.qvr
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMONT
RisingMalware.Obscure/Heur!1.A89E (CLOUD)
IkarusTrojan.Win32.Danabot
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.CPYR!tr
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GAUX virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.GAUX 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.GAUX 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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