Win32/Kryptik.HJRM
Emma Terry What is Win32/Kryptik.HJRM infection?
In this short article you will discover regarding the definition of Win32/Kryptik.HJRM as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by on the internet scams to demand paying the ransom by a victim.
In the majority of the cases, Win32/Kryptik.HJRM ransomware will certainly advise its sufferers to launch funds move for the function of reducing the effects of the changes that the Trojan infection has presented to the target’s device.
Win32/Kryptik.HJRM Summary
These adjustments 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.
- Injection with CreateRemoteThread in a remote process;
- Attempts to connect to a dead IP:Port (3 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.
- Possible date expiration check, exits too soon after checking local time;
- A process attempted to delay the analysis task.;
- A process created a hidden window;
- HTTP traffic contains suspicious features which may be indicative of malware related traffic;
- Performs some HTTP requests;
- Unconventionial language used in binary resources: Slovenian;
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Uses Windows utilities for basic functionality;
- Attempts to delete volume shadow copies;
- Code injection with CreateRemoteThread in a remote process;
- Modifies boot configuration settings;
- A system process is generating network traffic likely as a result of process injection;
- 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
- Exhibits possible ransomware file modification behavior;
- Writes a potential ransom message to disk;
- Likely virus infection of existing system binary;
- Clears Windows events or logs;
- 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 documents located on the target’s hard disk drive — so the sufferer can no more make use of the data;
- Preventing regular 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.
| geoiptool.com | Win32/Ransom.Generic.HwoClssA |
| Win32/Ransom.Generic.HwoClssA | |
| ocsp.comodoca.com | Win32/Ransom.Generic.HwoClssA |
| ocsp.usertrust.com | Win32/Ransom.Generic.HwoClssA |
| crl.usertrust.com | Win32/Ransom.Generic.HwoClssA |
| iplogger.org | Win32/Ransom.Generic.HwoClssA |
| ocsp.sectigo.com | Win32/Ransom.Generic.HwoClssA |
Win32/Kryptik.HJRM
The most normal networks whereby Win32/Kryptik.HJRM Ransomware Trojans are injected are:
- By ways of phishing e-mails;
- As a repercussion of individual winding up on a resource that hosts a malicious software;
As soon as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or protect against the tool from operating in an appropriate fashion – while also positioning a ransom money note that mentions the need for the sufferers to impact the payment for the purpose of decrypting the documents or bring back the data system back to the first problem. In many instances, the ransom money note will come up when the client reboots the PC after the system has actually already been damaged.
Win32/Kryptik.HJRM circulation networks.
In various corners of the world, Win32/Kryptik.HJRM expands by jumps and also bounds. However, the ransom notes and tricks of obtaining the ransom quantity may vary depending upon specific local (regional) settings. The ransom notes and also techniques of obtaining the ransom money quantity may differ depending on specific regional (regional) setups.
As an example:
Faulty signals concerning unlicensed software.
In specific locations, the Trojans often wrongfully report having actually detected some unlicensed applications enabled on the victim’s device. The alert then demands the individual to pay the ransom money.
Faulty declarations regarding illegal content.
In nations where software piracy is less popular, this technique is not as effective for the cyber frauds. Alternatively, the Win32/Kryptik.HJRM popup alert may wrongly declare to be stemming from a police organization and also will certainly report having located child porn or other prohibited information on the gadget.
Win32/Kryptik.HJRM popup alert may falsely declare to be obtaining from a law enforcement establishment as well as will certainly report having situated child porn or other prohibited data on the gadget. The alert will similarly have a demand for the individual to pay the ransom.
Technical details
File Info:
crc32: 88E0CD1Amd5: 79927881700955c52f113bc2d6968698name: 79927881700955C52F113BC2D6968698.mlwsha1: aa8b7920718123cafa0eafa6c843b801f8c157c1sha256: 4f87fefc9bf667f1d60e9ac07bdcf91013d609b8222b6d1b2995706f7ece1b07sha512: 3d5325aeacb1ed1502803e2ab4880d121532f5865409813e6d31f90f57bc2646fd19695cd0172ad7b2aa772d1ff4d74cb4f43343e502b033a8468f2874a7a413ssdeep: 6144:dVJlmm1sDf9HkjLCTEUs38bV7WSfLa9fosD:7Jlm7byqXs34V79DaGtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32/Kryptik.HJRM also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Encoder.33526 |
| Qihoo-360 | Win32/Ransom.Generic.HwoClssA |
| McAfee | Artemis!799278817009 |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Hacktool.Win32.Shellcode.3!c |
| Sangfor | Trojan.Win32.Save.a |
| K7AntiVirus | Trojan ( 005788301 ) |
| BitDefender | Trojan.GenericKD.36413997 |
| K7GW | Trojan ( 005788301 ) |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Arcabit | Trojan.Generic.D22BA22D |
| BitDefenderTheta | Gen:NN.ZexaF.34590.quW@aSZtq7ac |
| Symantec | ML.Attribute.HighConfidence |
| TrendMicro-HouseCall | TROJ_GEN.R002C0WBS21 |
| Avast | Win32:MalwareX-gen [Trj] |
| Cynet | Malicious (score: 100) |
| Kaspersky | HEUR:Exploit.Win32.Shellcode.gen |
| Alibaba | Ransom:Win32/generic.ali2000010 |
| MicroWorld-eScan | Trojan.GenericKD.36413997 |
| Rising | Trojan.Kryptik!1.D250 (CLOUD) |
| Ad-Aware | Trojan.GenericKD.36413997 |
| Sophos | Mal/Generic-S |
| Comodo | .UnclassifiedMalware@0 |
| F-Secure | |
| TrendMicro | TROJ_GEN.R002C0WBS21 |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.dc |
| FireEye | Generic.mg.79927881700955c5 |
| Emsisoft | Trojan.GenericKD.36413997 (B) |
| Ikarus | Trojan.Win32.Ranumbot |
| Avira | TR/AD.ZardRansom.xejhd |
| Kingsoft | Win32.Troj.Generic_a.a.(kcloud) |
| Gridinsoft | Trojan.Win32.Downloader.sa |
| Microsoft | Trojan:Win32/Glupteba!ml |
| ZoneAlarm | HEUR:Exploit.Win32.Shellcode.gen |
| GData | Win32.Trojan-Ransom.Zeppelin.6SKL6V |
| AhnLab-V3 | Malware/Gen.RL_Reputation.R368513 |
| ALYac | Trojan.GenericKD.36413997 |
| MAX | malware (ai score=100) |
| Malwarebytes | Trojan.MalPack |
| Panda | Trj/GdSda.A |
| APEX | Malicious |
| ESET-NOD32 | a variant of Win32/Kryptik.HJRM |
| Tencent | Win32.Exploit.Shellcode.Ajlq |
| SentinelOne | Static AI – Malicious PE |
| eGambit | Unsafe.AI_Score_88% |
| Fortinet | PossibleThreat.PALLAS.H |
| AVG | Win32:MalwareX-gen [Trj] |
| Paloalto | generic.ml |
| MaxSecure | Trojan.Malware.300983.susgen |
How to remove Win32/Kryptik.HJRM ransomware?
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.HJRM 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.HJRM you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
