Win32/Kryptik.GJMJ
By John Johnson
What is Win32/Kryptik.GJMJ infection?
In this article you will certainly find about the meaning of Win32/Kryptik.GJMJ and its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a victim.
In the majority of the instances, Win32/Kryptik.GJMJ ransomware will instruct its sufferers to start funds move for the function of counteracting the changes that the Trojan infection has actually presented to the sufferer’s tool.
Win32/Kryptik.GJMJ Summary
These modifications can be as follows:
- 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.
- Unconventionial language used in binary resources: Vietnamese;
- 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 proxy settings. This trick used for inject malware into connection between browser and server;
- 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 papers located on the sufferer’s hard drive — so the victim can no longer use the data;
- 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.GJMJ
One of the most normal networks whereby Win32/Kryptik.GJMJ Ransomware Trojans are injected are:
- By means of phishing emails;
- As a repercussion of customer winding up on a source that organizes a destructive software program;
As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s computer or protect against the gadget from operating in a correct fashion – while additionally placing a ransom money note that points out the need for the victims to impact the payment for the function of decrypting the papers or recovering the data system back to the first condition. In many circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been harmed.
Win32/Kryptik.GJMJ distribution channels.
In different corners of the globe, Win32/Kryptik.GJMJ grows by jumps as well as bounds. Nonetheless, the ransom notes as well as methods of obtaining the ransom money amount may vary depending on specific regional (regional) settings. The ransom money notes and techniques of obtaining the ransom money amount may vary depending on particular regional (local) settings.
As an example:
Faulty signals concerning unlicensed software program.
In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the victim’s tool. The sharp after that requires the individual to pay the ransom money.
Faulty statements regarding prohibited material.
In countries where software application piracy is less prominent, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Kryptik.GJMJ popup alert might falsely assert to be stemming from a law enforcement institution and will report having situated child porn or other prohibited data on the gadget.
Win32/Kryptik.GJMJ popup alert may incorrectly claim to be obtaining from a law enforcement establishment and will report having located child porn or various other unlawful information on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.
Technical details
File Info:
crc32: 9A6F8A7Fmd5: dbde66ab1d4965a6f8970d4b999c8c4cname: DBDE66AB1D4965A6F8970D4B999C8C4C.mlwsha1: ae1624fdfda08cad35becd05c0ed21c374a8ee6esha256: 897c49f9ddefb34d959ad1e25279cb2ec0fedcc8d914727d08cb7de03363ab5esha512: 090e5fb912a9d4eebe422fe175173bcc391540ab353237fa7c9ba4f54ed85d74fba2454d378d0122cbcfe4e8f23708f6a3c7b5eea067cc1f28954455025ce7acssdeep: 3072:3sAhr3aYx1MG7jQN+8h70sLVGGtSrO1ujYg5p6HkwYCMJ5d+l+U7Rg:3jwUeNlos5CO1ujD5/3JXq7ytype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32/Kryptik.GJMJ also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 0053305e1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.PWS.Stealer.24300 |
| Cynet | Malicious (score: 100) |
| CAT-QuickHeal | Trojan.Chapak.ZZ5 |
| ALYac | Gen:Variant.Ransom.BitPaymer.18 |
| Cylance | Unsafe |
| Zillya | Trojan.GenericKD.Win32.138069 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | Trojan:Win32/Kryptik.e06fad99 |
| K7GW | Trojan ( 0053305e1 ) |
| Cybereason | malicious.b1d496 |
| Symantec | Packed.Generic.525 |
| ESET-NOD32 | a variant of Win32/Kryptik.GJMJ |
| APEX | Malicious |
| Avast | FileRepMalware |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Gen:Variant.Ransom.BitPaymer.18 |
| NANO-Antivirus | Trojan.Win32.Kryptik.fgfwxk |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Gen:Variant.Ransom.BitPaymer.18 |
| Tencent | Win32.Trojan.Generic.Wvkw |
| Ad-Aware | Gen:Variant.Ransom.BitPaymer.18 |
| Sophos | Mal/Generic-R + Mal/GandCrab-G |
| Comodo | Application.Win32.Dlhelper.GJ@8137f9 |
| F-Secure | |
| BitDefenderTheta | Gen:NN.ZexaF.34670.luW@aeOhLvgG |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Ransom.Win32.RYUK.SMB |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.cc |
| FireEye | Generic.mg.dbde66ab1d4965a6 |
| Emsisoft | Gen:Variant.Ransom.BitPaymer.18 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan.PSW.Coins.alj |
| Avira | HEUR/AGEN.1106539 |
| eGambit | Unsafe.AI_Score_99% |
| Antiy-AVL | Trojan/Win32.Fuerboos |
| Microsoft | Trojan:Win32/RYUK.DSK!MTB |
| Arcabit | Trojan.Ransom.BitPaymer.18 |
| ZoneAlarm | HEUR:Trojan.Win32.Generic |
| GData | Gen:Variant.Ransom.BitPaymer.18 |
| AhnLab-V3 | Win-Trojan/Gandcrab04.Exp |
| Acronis | suspicious |
| McAfee | Packed-FKD!DBDE66AB1D49 |
| MAX | malware (ai score=100) |
| VBA32 | BScope.Trojan.Fuerboos |
| Malwarebytes | Trojan.MalPack |
| Panda | Trj/GdSda.A |
| TrendMicro-HouseCall | Ransom.Win32.RYUK.SMB |
| Rising | Trojan.Fuerboos!8.EFC8 (CLOUD) |
| Yandex | Trojan.PWS.Coins!dL6inpg+3cI |
| Ikarus | Trojan.Win32.Danabot |
| MaxSecure | Ransomeware.CRAB.gen |
| Fortinet | W32/Kryptik.GKTH!tr.ransom |
| AVG | FileRepMalware |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.Ryuk.HwoCEpsA |
How to remove Win32/Kryptik.GJMJ 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.GJMJ 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.GJMJ you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
