Ransom:Win32/Genasom.JU
William Burgess What is Ransom:Win32/Genasom.JU infection?
In this short article you will certainly locate concerning the definition of Ransom:Win32/Genasom.JU and also its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom by a target.
In the majority of the situations, Ransom:Win32/Genasom.JU infection will certainly instruct its targets to launch funds move for the objective of counteracting the changes that the Trojan infection has introduced to the sufferer’s tool.
Ransom:Win32/Genasom.JU Summary
These adjustments can be as complies with:
- 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.
- Presents an Authenticode digital signature;
- 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 created a hidden window;
- 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.
- 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;
- Deletes its original binary from disk;
- 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 copy of itself;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the files situated on the target’s disk drive — so the target can no longer use the data;
- Preventing routine 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.
Ransom:Win32/Genasom.JU
The most typical channels whereby Ransom:Win32/Genasom.JU are infused are:
- By ways of phishing emails;
- As a consequence of individual ending up on a resource that organizes a malicious software;
As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or avoid the tool from functioning in a proper way – while also positioning a ransom note that points out the demand for the victims to impact the settlement for the purpose of decrypting the papers or restoring the documents system back to the preliminary condition. In the majority of instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.
Ransom:Win32/Genasom.JU distribution channels.
In different corners of the world, Ransom:Win32/Genasom.JU grows by jumps and bounds. However, the ransom notes as well as methods of obtaining the ransom money quantity might vary depending upon particular neighborhood (regional) setups. The ransom money notes as well as methods of extorting the ransom money quantity might differ depending on certain neighborhood (regional) settings.
For example:
Faulty informs regarding unlicensed software.
In certain locations, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the target’s device. The sharp after that demands the customer to pay the ransom money.
Faulty statements about illegal material.
In countries where software application piracy is less prominent, this technique is not as efficient for the cyber frauds. Additionally, the Ransom:Win32/Genasom.JU popup alert might wrongly assert to be originating from a law enforcement institution and will certainly report having situated child porn or other illegal information on the gadget.
Ransom:Win32/Genasom.JU popup alert might wrongly assert to be acquiring from a regulation enforcement institution and will certainly report having located child porn or various other prohibited data on the device. The alert will in a similar way have a requirement for the individual to pay the ransom money.
Technical details
File Info:
crc32: 33D00F29md5: 02c4a5dd93ef479a0e987b02a23d3848name: 02C4A5DD93EF479A0E987B02A23D3848.mlwsha1: 4305cd223931349c947efdff4f4f16bfadca31d9sha256: 64b76871852119575e50b3a3751e36a482e0a428dca964be5e5a9fec7b81a529sha512: ac16fdb2817aeb2a8c0f62d34846a134429a811863f909cd1f23f7e4ec0f6cbd5d824d631a5e70083769c1fc4e84a4cc4022f05e23340b34febc3c1a267c1d29ssdeep: 3072:LOWmZ8R2xBu8m/3o8m0+yZVeIw5UvMkePXF:LOHZTxBux3Pm3ya5UvEtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: Copyright (C) Microsoft Corp. 1991-1996InternalName: WINHSTBFileVersion: 5.00.2134.1CompanyName: Microsoft CorporationProductName: Microsoft(R) Windows (R) 2000 Operating SystemProductVersion: 5.00.2134.1FileDescription: Windows Winhlp32 StubOriginalFilename: WINHLP32.EXETranslation: 0x0409 0x04b0
Ransom:Win32/Genasom.JU also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 0040f02a1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Winlock.5857 |
| ClamAV | Win.Trojan.Ransom-4712 |
| CAT-QuickHeal | Trojan.Dapta |
| ALYac | Gen:Variant.Razy.790341 |
| Cylance | Unsafe |
| Zillya | Trojan.Foreign.Win32.539 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Alibaba | Trojan:Win32/Dapta.1bef54d0 |
| K7GW | Trojan ( 0040f02a1 ) |
| Cybereason | malicious.d93ef4 |
| Cyren | W32/Zbot.DQ.gen!Eldorado |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | Win32/LockScreen.AIG |
| APEX | Malicious |
| Avast | Win32:Karagany |
| Cynet | Malicious (score: 100) |
| BitDefender | Gen:Variant.Razy.790341 |
| NANO-Antivirus | Trojan.Win32.RiskGen.mssgh |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Gen:Variant.Razy.790341 |
| Tencent | Win32.Trojan.Foreign.bbg |
| Ad-Aware | Gen:Variant.Razy.790341 |
| Sophos | Mal/Generic-R + Troj/Zbot-DHN |
| BitDefenderTheta | Gen:NN.ZexaF.34686.gq1@amXMz6li |
| VIPRE | Trojan.Win32.Reveton.ca (v) |
| TrendMicro | Mal_Ransom-1 |
| McAfee-GW-Edition | PWS-Zbot.gen.bew |
| FireEye | Generic.mg.02c4a5dd93ef479a |
| Emsisoft | Gen:Variant.Razy.790341 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan.Dapta.bl |
| Webroot | W32.Trojan.Ransom.Gen |
| Avira | TR/Crypt.XPACK.Gen2 |
| eGambit | Unsafe.AI_Score_93% |
| Kingsoft | Win32.Heur.KVMH019.a.(kcloud) |
| Microsoft | Ransom:Win32/Genasom.JU |
| GData | Gen:Variant.Razy.790341 |
| AhnLab-V3 | Trojan/Win32.Plosa.R24487 |
| Acronis | suspicious |
| McAfee | PWS-Zbot.gen.bew |
| MAX | malware (ai score=100) |
| VBA32 | Hoax.Foreign |
| Malwarebytes | Malware.AI.3961225243 |
| Panda | Bck/Qbot.AO |
| TrendMicro-HouseCall | Mal_Ransom-1 |
| Rising | Ransom.Genasom!8.293 (CLOUD) |
| Yandex | Trojan.Dapta!AY/8NeSP51o |
| Ikarus | Packed.Win32.Krap |
| Fortinet | W32/Dridex.IZC!tr |
| AVG | Win32:Karagany |
| Paloalto | generic.ml |
How to remove Ransom:Win32/Genasom.JU 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 Ransom:Win32/Genasom.JU 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 Ransom:Win32/Genasom.JU you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
