TrojanDownloader:Win32/Nymaim Virus Removal

Seeing the TrojanDownloader:Win32/Nymaim detection usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.

TrojanDownloader:Win32/Nymaim detection is a virus detection you can spectate in your computer. It usually appears after the preliminary procedures on your computer – opening the untrustworthy e-mail, clicking the advertisement in the Web or setting up the program from dubious resources. From the second it appears, you have a short time to take action before it begins its harmful activity. And be sure – it is far better not to await these malicious things.

What is TrojanDownloader:Win32/Nymaim virus?

TrojanDownloader:Win32/Nymaim is ransomware-type malware. It searches for the files on your disk, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a lot of harm to your system. It alters the networking setups in order to prevent you from checking out the removal articles or downloading the antivirus. In rare cases, TrojanDownloader:Win32/Nymaim can additionally prevent the setup of anti-malware programs.

TrojanDownloader:Win32/Nymaim Summary

Summarizingly, TrojanDownloader:Win32/Nymaim ransomware actions in the infected system are next:

  • A file was accessed within the Public folder.;
  • Authenticode signature is invalid;
  • Ciphering the documents kept on the victim’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a horror story for the last 4 years. It is challenging to imagine a more harmful virus for both individual users and businesses. The algorithms utilized in TrojanDownloader:Win32/Nymaim (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy currently exists, and possibly will exist. But that virus does not do all these terrible things instantly – it may take up to a few hours to cipher all of your documents. Thus, seeing the TrojanDownloader:Win32/Nymaim detection is a clear signal that you must begin the clearing process.

Where did I get the TrojanDownloader:Win32/Nymaim?

Typical ways of TrojanDownloader:Win32/Nymaim distribution are usual for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait emails are a relatively modern method in malware distribution – you receive the email that mimics some normal notifications about shippings or bank service conditions modifications. Inside of the email, there is an infected MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty uncomplicated, however, still needs a lot of attention. Malware can hide in various spots, and it is far better to prevent it even before it invades your PC than to rely upon an anti-malware program. General cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a computer stays on YouTube videos. That can keep you a lot of time and money which you would spend while seeking a solution.

TrojanDownloader:Win32/Nymaim malware technical details

File Info:

name: 47BD2478FEB9CB0C08F7.mlwpath: /opt/CAPEv2/storage/binaries/c58d987be377e4fa3d512a21fdb522bd894b8d91536330a9abebbb461fd093b7crc32: 6E8307B7md5: 47bd2478feb9cb0c08f7e716c94cc8c8sha1: 4fa3891e1b1ecf58eef0c88973d12a278d28feb5sha256: c58d987be377e4fa3d512a21fdb522bd894b8d91536330a9abebbb461fd093b7sha512: 2494f5d9582766028fb833b7aecfd0ed9a848df8f5685d8ce7d84c0c59de4323f85bd7e85e8de3b66772b216ad74d07d75b1f550c7cd1b627c46da706ef88de4ssdeep: 12288:dKd0NFyfLNJfqK1f2lZ5Fefs1lWv0c4s85qboKbc91:dKCN0LNJfale01lW+scqs/91type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T195E4F102A623E036FED660B09B05C7705BB45EF76A2D4167B3F05F6EBB143C21A29359sha3_384: c489083a7ed1e8aea05be175f38efb22751f388ba5d7a28b25bf1fdcca211766b54edcf17b9262c9166fa115d9f468dcep_bytes: e86a670000e978feffffcccccccccccctimestamp: 2016-04-06 14:58:13

Version Info:

0: [No Data]

TrojanDownloader:Win32/Nymaim also known as:

Bkav W32.Common.C1729788
Lionic Trojan.Win32.Nymaim.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.47bd2478feb9cb0c
CAT-QuickHeal Trojan.Mauvaise.SL1
Skyhigh BehavesLike.Win32.Dropper.jh
McAfee Generic.ys
Cylance unsafe
Zillya Trojan.Kryptik.Win32.873852
Sangfor Downloader.Win32.Nymaim.Vhya
K7AntiVirus Trojan ( 004e26601 )
Alibaba TrojanDownloader:Win32/Nymaim.f0a3a0ab
K7GW Trojan ( 004e26601 )
BitDefenderTheta Gen:NN.ZexaF.36744.OqW@aqievTai
VirIT Trojan.Win32.Generic.ARFK
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 Win32/TrojanDownloader.Nymaim.BA
APEX Malicious
ClamAV BC.Win.Packer.Troll-14
Kaspersky Trojan.Win32.Agent.iiyd
BitDefender Trojan.GenericKD.3143975
NANO-Antivirus Trojan.Win32.Kryptik.eopolq
MicroWorld-eScan Trojan.GenericKD.3143975
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.10b449ac
Emsisoft Trojan.GenericKD.3143975 (B)
F-Secure Trojan.TR/Kryptik.982065
VIPRE Trojan.GenericKD.3143975
TrendMicro TROJ_NYMAIM.BK
Sophos Mal/Kryptik-DC
Ikarus Trojan-Downloader.Win32.Nymaim
GData Win32.Trojan.Agent.PHAGCG
Jiangmin Trojan.Agent.aaid
Webroot W32.Trojan.Gen
Varist W32/Trojan.GWJF-1656
Avira TR/Kryptik.982065
Antiy-AVL Trojan/Win32.BTSGeneric
Kingsoft malware.kb.a.867
Xcitium Malware@#3852bsejszy9u
Arcabit Trojan.Generic.D2FF927
ViRobot Trojan.Win32.Z.Kryptik.657920.C
ZoneAlarm Trojan.Win32.Agent.iiyd
Microsoft TrojanDownloader:Win32/Nymaim
Google Detected
AhnLab-V3 Trojan/Win32.Dridex.C1370361
VBA32 BScope.TrojanRansom.Foreign
ALYac Trojan.GenericKD.3143975
MAX malware (ai score=94)
Malwarebytes Generic.Malware/Suspicious
Panda Trj/WLT.B
Zoner Trojan.Win32.41364
TrendMicro-HouseCall TROJ_NYMAIM.BK
Rising Downloader.Nymaim!8.781 (TFE:5:HFuCV9GTtEM)
Yandex Trojan.Agent!zvUREtgmxN0
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.1728101.susgen
Fortinet W32/Kryptik.DYTU!tr
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove TrojanDownloader:Win32/Nymaim?

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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