Win32/Kryptik.FOLI

What is Win32/Kryptik.FOLI infection?

In this post you will certainly find concerning the meaning of Win32/Kryptik.FOLI as well as its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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Most of the situations, Win32/Kryptik.FOLI infection will instruct its victims to launch funds move for the function of counteracting the changes that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.FOLI 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • 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.

  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • 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.
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Generates some ICMP traffic;
  • 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 records located on the victim’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
api.blockcypher.com Trojan.Ransom.Spora.Gen.1
hjhqmbxyinislkkt.1j9r76.top Trojan.Ransom.Spora.Gen.1

Win32/Kryptik.FOLI

The most common channels where Win32/Kryptik.FOLI Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a resource that holds a harmful software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or avoid the gadget from operating in a proper manner – while also positioning a ransom money note that states the requirement for the targets to effect the repayment for the purpose of decrypting the papers or recovering the documents system back to the initial problem. In most instances, the ransom note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

Win32/Kryptik.FOLI distribution networks.

In various edges of the world, Win32/Kryptik.FOLI expands by leaps and bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom amount might vary relying on certain neighborhood (local) setups. The ransom notes as well as methods of obtaining the ransom money quantity might vary depending on certain local (local) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.FOLI popup alert might falsely claim to be stemming from a law enforcement organization as well as will report having situated child porn or other prohibited data on the tool.

    Win32/Kryptik.FOLI popup alert may wrongly assert to be obtaining from a regulation enforcement organization and also will certainly report having situated child porn or other illegal data on the device. The alert will in a similar way consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 474BC5BA
md5: 5215502da503a9f05308867c32ceea48
name: 5215502DA503A9F05308867C32CEEA48.mlw
sha1: 026c1d81b6e2fd461d1cdc4ab7d15eb10ff5751f
sha256: 4d56337db2820bb10cfdfc8c91fc3335f96f131c312d941c8a12b7eb64c33c25
sha512: f0da1b8cddcc31be803511ddb85f4318e8b62c58b0df4cbf84bd1d8e0bc7cd5acdb61944f3affc7ca39791c780d9d3534009ef7ae84ec9d70c2d6419e1beea89
ssdeep: 6144:H5HYJ35Hvnsxed4SL91L163eNmxRrwbkcnkV99:HdYJ3dPVdhDs3eNmRrkc9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOLI also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
FireEye Generic.mg.5215502da503a9f0
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Trojan.Ransom.Spora.Gen.1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005190011 )
BitDefender Trojan.Ransom.Spora.Gen.1
K7GW Trojan ( 005057a01 )
Cybereason malicious.da503a
Baidu Win32.Trojan.Kryptik.bjl
Cyren W32/S-b86316a0!Eldorado
Symantec Packed.Generic.493
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Generic-6268113-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/generic.ali2000010
NANO-Antivirus Trojan.Win32.Kryptik.eloshs
Rising Trojan.Kryptik!1.A8CF (CLOUD)
Ad-Aware Trojan.Ransom.Spora.Gen.1
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
Comodo TrojWare.Win32.Crypt.CA@6ykcle
F-Secure Trojan.TR/Crypt.XPACK.Gen8
DrWeb Trojan.Encoder.10295
Zillya Trojan.Spora.Win32.115
TrendMicro Ransom_CERBER.F117BL
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dc
Sophos ML/PE-A + Mal/Elenoocka-E
Ikarus Trojan.Win32.Filecoder
Jiangmin Trojan.Spora.ds
Avira TR/Crypt.XPACK.Gen8
eGambit Unsafe.AI_Score_99%
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Ransom:Win32/Cerber
Arcabit Trojan.Ransom.Spora.Gen.1
SUPERAntiSpyware Ransom.Cerber/Variant
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.Spora.Gen.1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Cerber.R195440
Acronis suspicious
McAfee Ransomware-FMJ!5215502DA503
VBA32 BScope.TrojanPSW.Papras
Malwarebytes Ransom.Cerber
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.FOLI
TrendMicro-HouseCall Ransom_CERBER.F117BL
Tencent Malware.Win32.Gencirc.10b4eaaa
Yandex Trojan.GenAsa!3+3LrUswiRo
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.FOZG!tr
BitDefenderTheta Gen:NN.ZexaF.34590.pqX@aSYLmoei
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.Spora.HxQB7Q8A

How to remove Win32/Kryptik.FOLI ransomware?

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.FOLI 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.FOLI 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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