Win32/Napolar.A
Daniel Foster
Updated on March 09, 2026
What is Win32/Napolar.A infection?
In this post you will discover about the meaning of Win32/Napolar.A as well as its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom by a victim.
In the majority of the instances, Win32/Napolar.A infection will advise its targets to start funds transfer for the objective of reducing the effects of the changes that the Trojan infection has actually presented to the sufferer’s tool.
Win32/Napolar.A Summary
These modifications can be as follows:
- Executable code extraction;
- Injection (inter-process);
- Injection (Process Hollowing);
- Creates RWX memory;
- Mimics the system’s user agent string for its own requests;
- Reads data out of its own binary image;
- Drops a binary and executes it;
- HTTP traffic contains suspicious features which may be indicative of malware related traffic;
- Performs some HTTP requests;
- Executed a process and injected code into it, probably while unpacking;
- Tries to unhook or modify Windows functions monitored by Cuckoo;
- A system process is generating network traffic likely as a result of process injection;
- Installs itself for autorun at Windows startup;
- A process sent information about the computer to a remote location.;
- Creates a copy of itself;
- Ciphering the files located on the target’s hard disk drive — so the target can no more utilize the information;
- Preventing regular accessibility to the target’s workstation;
Related domains:
| favoured.in | Gen:Variant.Ransom.Samas.9 |
Win32/Napolar.A
The most normal channels where Win32/Napolar.A Ransomware Trojans are infused are:
- By means of phishing e-mails;
- As an effect of customer winding up on a resource that holds a destructive software;
As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or stop the tool from functioning in a correct fashion – while additionally placing a ransom note that discusses the requirement for the victims to effect the repayment for the function of decrypting the papers or bring back the file system back to the initial condition. In most circumstances, the ransom money note will turn up when the client reboots the PC after the system has actually already been harmed.
Win32/Napolar.A circulation channels.
In various corners of the world, Win32/Napolar.A grows by leaps as well as bounds. Nevertheless, the ransom notes and methods of extorting the ransom money quantity might differ depending upon certain local (local) setups. The ransom notes and also methods of extorting the ransom money quantity might differ depending on specific local (local) settings.
For instance:
Faulty informs about unlicensed software.
In specific locations, the Trojans frequently wrongfully report having discovered some unlicensed applications made it possible for on the victim’s gadget. The sharp after that requires the user to pay the ransom.
Faulty statements concerning illegal web content.
In nations where software program piracy is less popular, this approach is not as reliable for the cyber frauds. Additionally, the Win32/Napolar.A popup alert may falsely assert to be stemming from a law enforcement institution and also will report having located kid pornography or other illegal information on the gadget.
Win32/Napolar.A popup alert may falsely claim to be deriving from a legislation enforcement institution and also will report having located kid pornography or various other prohibited information on the device. The alert will similarly contain a requirement for the individual to pay the ransom money.
Technical details
File Info:
crc32: 6D6F423Cmd5: e8e4a20a78fb089456e4f06cbbb9bcf5name: E8E4A20A78FB089456E4F06CBBB9BCF5.mlwsha1: 88797faa9d09f86d6502f8989acc94ccb57a08bdsha256: 445999001ebde216e8e465d59cd35867f9a84e181e80986baeffc56709003503sha512: a1a05737bd40a7422c2204c6404e8232c66b969d74c453a623402ebbe1e907a862ed96708c1a8c89e7f5adf2cc640fcd4cabcfd44025f8b6af67cc08b596728assdeep: 6144:1SxmNPIU8+mePL2rebsodQ6Jm9UhaHVqMXYDYVbVPIqh1j7moysMUR1Ib/4:type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS WindowsVersion Info:
Translation: 0x0000 0x04b0LegalCopyright: x5p2nvh771dhklo9Assembly Version: 7.5.0.3InternalName: Adobe Flash Player 11.2 Installer.exeFileVersion: 7.5.0.3CompanyName: db9ooc8xrjw0xc6rLegalTrademarks: 1qnbkuj3am89wpo5Comments: y4tklu3kck71paq2ProductName: n5mi56wnlkik04jbProductVersion: 7.5.0.3FileDescription: vlw8pv1o9yc5b6q7OriginalFilename: Adobe Flash Player 11.2 Installer.exe
Win32/Napolar.A also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 700000121 ) |
| Lionic | Trojan.Win32.Napolar.m!c |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.AVKill.24940 |
| Cynet | Malicious (score: 99) |
| ALYac | Gen:Variant.Ransom.Samas.9 |
| Cylance | Unsafe |
| Zillya | Backdoor.Napolar.Win32.2 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Alibaba | Trojan:MSIL/Predator.a3713d2c |
| K7GW | Trojan ( 700000121 ) |
| Cybereason | malicious.a78fb0 |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | Win32/Napolar.A |
| APEX | Malicious |
| Avast | FileRepMetagen [DRP] |
| Kaspersky | HEUR:Trojan.MSIL.Fsysna.gen |
| BitDefender | Gen:Variant.Ransom.Samas.9 |
| NANO-Antivirus | Trojan.Win32.AVKill.dcnecf |
| ViRobot | Trojan.Win32.S.Agent.593920.P |
| MicroWorld-eScan | Gen:Variant.Ransom.Samas.9 |
| Tencent | Win32.Trojan.Generic.Anpk |
| Ad-Aware | Gen:Variant.Ransom.Samas.9 |
| Sophos | Mal/Generic-R + Troj/Msil-OO |
| Comodo | Malware@#2nurunh2afrso |
| BitDefenderTheta | Gen:NN.ZemsilF.34050.Km0@aOzNX9f |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | TROJ_VARNEP.UA14 |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.hz |
| FireEye | Generic.mg.e8e4a20a78fb0894 |
| Emsisoft | Gen:Variant.Ransom.Samas.9 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Backdoor/Napolar.m |
| Webroot | W32.Malware.Gen |
| Avira | TR/ATRAPS.Gen |
| eGambit | Generic.Backdoor |
| Antiy-AVL | Trojan/Generic.ASMalwS.6FEF56 |
| Kingsoft | Win32.Hack.Napolar.fb.(kcloud) |
| Microsoft | Trojan:MSIL/Predator.BA!MTB |
| GData | Gen:Variant.Ransom.Samas.9 |
| TACHYON | Backdoor/W32.DN-Napolar.593920 |
| AhnLab-V3 | Trojan/Win32.Agent.C254803 |
| McAfee | GenericRXGG-DC!E8E4A20A78FB |
| MAX | malware (ai score=100) |
| VBA32 | Backdoor.Napolar |
| Malwarebytes | Trojan.Crypt.MSIL |
| Panda | Generic Malware |
| TrendMicro-HouseCall | TROJ_VARNEP.UA14 |
| Ikarus | Backdoor.Win32.DarkKomet |
| MaxSecure | Trojan.Malware.300983.susgen |
| Fortinet | MSIL/Kryptik.UFS!tr |
| AVG | FileRepMetagen [DRP] |
| Paloalto | generic.ml |
| Qihoo-360 | Generic/TrojanSpy.Fsysna.HwMAEpsA |
How to remove Win32/Napolar.A 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/Napolar.A 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/Napolar.A you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
