Win32/Napolar.A

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.

Ransomware injection

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 Windows

Version 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?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Napolar.A you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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