Win32/Kryptik.FERN
Rachel Young What is Win32/Kryptik.FERN infection?
In this article you will find regarding the definition of Win32/Kryptik.FERN as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom money by a sufferer.
In the majority of the instances, Win32/Kryptik.FERN infection will certainly instruct its targets to initiate funds move for the objective of neutralizing the amendments that the Trojan infection has presented to the victim’s tool.
Win32/Kryptik.FERN Summary
These modifications can be as follows:
- At least one process apparently crashed during execution;
- 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.
- Enumerates user accounts on the system;
- 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.
- Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
- Unconventionial binary language: Russian;
- Unconventionial language used in binary resources: Russian;
- Uses Windows utilities for basic functionality;
- Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
- Exhibits behavior characteristic of Cerber ransomware;
- Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
- Mimics the file times of a Windows system file;
- 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
- Attempts to identify installed AV products by installation directory;
- Checks the system manufacturer, likely for anti-virtualization;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Uses suspicious command line tools or Windows utilities;
- Ciphering the papers located on the victim’s hard disk — so the victim 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.
Win32/Kryptik.FERN
One of the most regular channels whereby Win32/Kryptik.FERN Trojans are infused are:
- By means of phishing emails;
- As a repercussion of individual ending up on a resource that hosts a malicious software program;
As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or stop the device from functioning in a proper fashion – while additionally placing a ransom note that discusses the need for the victims to effect the repayment for the objective of decrypting the files or recovering the file system back to the preliminary condition. In many circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has currently been harmed.
Win32/Kryptik.FERN distribution channels.
In numerous edges of the world, Win32/Kryptik.FERN grows by leaps and also bounds. However, the ransom money notes and methods of obtaining the ransom money amount might differ depending upon particular local (local) setups. The ransom notes and also tricks of obtaining the ransom amount may differ depending on particular regional (local) settings.
For example:
Faulty informs concerning unlicensed software application.
In particular locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the individual to pay the ransom.
Faulty statements concerning unlawful web content.
In nations where software program piracy is less popular, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.FERN popup alert might falsely assert to be originating from a police institution as well as will certainly report having located youngster pornography or other illegal data on the tool.
Win32/Kryptik.FERN popup alert might incorrectly declare to be deriving from a law enforcement institution as well as will certainly report having located youngster porn or various other unlawful data on the device. The alert will similarly contain a demand for the customer to pay the ransom.
Technical details
File Info:
crc32: 40A7E894md5: bb1460817a6c625c5ae23944a81df913name: BB1460817A6C625C5AE23944A81DF913.mlwsha1: a07eb3233332669ebb8c746c789fff9ada3d01aasha256: 274b05ff7a954c16e95c371052f638e56ca30fd20fb6f93c2a63bfb36a679c75sha512: 25a84bea182ab9ab431bc97da27388e831f890d62846745b942ce3f3609d618b7ffeaa7b9257ae5ac22a720dd75341a091010f0ee17df193e027bc05d568e406ssdeep: 12288:AzJf7IKp5kG8B0Jv61NCQ0NDaa04ZcnMakUo:cJfrp5kG8B0s18lQa0Scqtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Copyright 2008-2011 x41ex41ex41e x42fx43dx434x435x43ax441InternalName: Punto Switcher UnloaderFileVersion: 3.2.3.51CompanyName: x41ex41ex41e x42fx43dx434x435x43ax441LegalTrademarks: Punto SwitcherComments: x412x44bx433x440x443x437x447x438x43a P unto SwitcherProductName: Punto SwitcherProductVersion: 3.2.3.51FileDescription: x412x44bx433x440x443x437x447x438x43a Punto SwitcherOriginalFilename: puntounloader.exeTranslation: 0x0419 0x04b0
Win32/Kryptik.FERN also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Trojan.Ransom.Cerber.1 |
| FireEye | Generic.mg.bb1460817a6c625c |
| CAT-QuickHeal | Trojan.Generic |
| McAfee | GenericRXDH-PH!BB1460817A6C |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Trojan.Win32.Generic.4!c |
| Sangfor | Trojan.Win32.Save.a |
| K7AntiVirus | Trojan ( 004f95911 ) |
| BitDefender | Trojan.Ransom.Cerber.1 |
| K7GW | Trojan ( 004f68111 ) |
| Cybereason | malicious.17a6c6 |
| BitDefenderTheta | Gen:NN.ZexaF.34608.2q1@ayJYJ5kk |
| Cyren | W32/S-68b4cf76!Eldorado |
| Symantec | Packed.Generic.459 |
| Baidu | Win32.Trojan.Kryptik.arx |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| ClamAV | Win.Ransomware.Cerber-6931819-0 |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| Alibaba | Ransom:Win32/Cerber.108ebb1b |
| NANO-Antivirus | Trojan.Win32.Encoder.evkpth |
| Tencent | Malware.Win32.Gencirc.10ba93cd |
| Ad-Aware | Trojan.Ransom.Cerber.1 |
| Emsisoft | Trojan.Ransom.Cerber.1 (B) |
| Comodo | TrojWare.Win32.Kryptik.ERJ@6l0vie |
| F-Secure | |
| DrWeb | Trojan.Encoder.4691 |
| Zillya | Trojan.Kryptik.Win32.971360 |
| TrendMicro | Ransom_HPCERBER.SM30 |
| McAfee-GW-Edition | BehavesLike.Win32.Dropper.cm |
| Sophos | ML/PE-A + Mal/Ransom-EJ |
| Ikarus | Trojan.Win32.Crypt |
| eGambit | Unsafe.AI_Score_99% |
| Avira | HEUR/AGEN.1128839 |
| Antiy-AVL | RiskWare[Downloader]/Win32.LMN |
| Microsoft | Ransom:Win32/Cerber |
| Arcabit | Trojan.Ransom.Cerber.1 |
| AhnLab-V3 | Win-Trojan/Cerber.Gen |
| ZoneAlarm | HEUR:Trojan.Win32.Generic |
| GData | Trojan.Ransom.Cerber.1 |
| Cynet | Malicious (score: 100) |
| ESET-NOD32 | a variant of Win32/Kryptik.FERN |
| Acronis | suspicious |
| VBA32 | Hoax.Zerber |
| MAX | malware (ai score=99) |
| Malwarebytes | Malware.AI.3142787199 |
| Panda | Trj/GdSda.A |
| TrendMicro-HouseCall | Ransom_HPCERBER.SM30 |
| Rising | Trojan.Kryptik!1.AEEF (CLOUD) |
| Yandex | Trojan.GenAsa!z60z84IrtE4 |
| SentinelOne | Static AI – Malicious PE |
| Fortinet | W32/Kryptik.HEKH!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Qihoo-360 | Win32/Ransom.Cerber.HxQBar8A |
How to remove Win32/Kryptik.FERN virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32/Kryptik.FERN 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Win32/Kryptik.FERN you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
