TrojanDownloader:Win32/Nitedrem.A

Seeing the TrojanDownloader:Win32/Nitedrem.A detection means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

TrojanDownloader:Win32/Nitedrem.A detection is a virus detection you can spectate in your computer. It often appears after the preliminary procedures on your computer – opening the dubious email, clicking the advertisement in the Web or installing the program from suspicious sources. From the second it appears, you have a short time to act until it begins its harmful action. And be sure – it is much better not to wait for these harmful actions.

What is TrojanDownloader:Win32/Nitedrem.A virus?

TrojanDownloader:Win32/Nitedrem.A is ransomware-type malware. It searches for the files on your disk drive, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of harm to your system. It changes the networking settings in order to avoid you from reading the elimination articles or downloading the antivirus. In rare cases, TrojanDownloader:Win32/Nitedrem.A can also block the setup of anti-malware programs.

TrojanDownloader:Win32/Nitedrem.A Summary

In summary, TrojanDownloader:Win32/Nitedrem.A virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • HTTPS urls from behavior.;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Executable file is packed/obfuscated with ASPack;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Ciphering the files kept on the victim’s disk drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has actually been a major problem for the last 4 years. It is difficult to picture a more dangerous malware for both individuals and organizations. The algorithms utilized in TrojanDownloader:Win32/Nitedrem.A (typically, 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 horrible things instantly – it can require up to a few hours to cipher all of your documents. Thus, seeing the TrojanDownloader:Win32/Nitedrem.A detection is a clear signal that you should begin the clearing process.

Where did I get the TrojanDownloader:Win32/Nitedrem.A?

Standard tactics of TrojanDownloader:Win32/Nitedrem.A distribution are usual for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a quite new strategy in malware distribution – you get the email that mimics some normal notifications about deliveries or bank service conditions modifications. Within the e-mail, 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.

Preventing it looks quite easy, but still needs tons of recognition. Malware can hide in various spots, and it is far better to stop it even before it invades your PC than to trust in an anti-malware program. Standard cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer remains on YouTube videos. That can save you a lot of money and time which you would spend while trying to find a fix guide.

TrojanDownloader:Win32/Nitedrem.A malware technical details

File Info:

name: AEDFF29B7A17B9BE5777.mlwpath: /opt/CAPEv2/storage/binaries/8f873804bdfbfb991a75799329f02590a2bbc83cb7cefa570de3e00d19e206cfcrc32: A5CBB7D6md5: aedff29b7a17b9be57773c44f8fde7fdsha1: 50005f7de35d9e52ff7e7d56ce63707e563b14cdsha256: 8f873804bdfbfb991a75799329f02590a2bbc83cb7cefa570de3e00d19e206cfsha512: 4182a1f33412f507df84fcd288f94c2bac9247863355f9d8a82a198f279a81744aca2f5ae0337f6ce7e023af466c0bfc9896feefa0a0c9d8e5f9447953f4154fssdeep: 768:XzSKGFZe2NzYlK+C5T+x5RA4JYrJVgSjlwi2g/DMtoTIHqCoh+AJ2UnhM6Jix/hv:XzjGnCtCUxz0XjSIDM21C7A/ntMttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F723E1EFBE886073E0CD1F301D7A97F78E258D6097A1859B62E63E18BC75164D860363sha3_384: fc6f7b5046cfaeff168006090ee9fae4c32a12c24fd2da1842161321413c8b79bc5dfd3f786983599b669196f91091e3ep_bytes: 60e803000000e9eb045d4555c3e80100timestamp: 2013-01-31 13:15:50

Version Info:

CompanyName: Blizzard EntertainmentFileDescription: Blizzard DownloaderFileVersion: 2, 2, 1, 1542InternalName: BlizzardDownloaderLegalCopyright: (c) 2004-2010 Blizzard EntertainmentOriginalFilename: BlizzardDownloader.exeProductName: Blizzard DownloaderProductVersion: 2, 2, 1, 1542Translation: 0x0409 0x04b0

TrojanDownloader:Win32/Nitedrem.A also known as:

Lionic Trojan.Win32.Blocker.V!c
MicroWorld-eScan Gen:Variant.Fragtor.97859
FireEye Gen:Variant.Fragtor.97859
ALYac Gen:Variant.Fragtor.97859
Cylance Unsafe
VIPRE Gen:Variant.Fragtor.97859
Sangfor Downloader.Win32.Blocker.Vqob
K7AntiVirus Riskware ( 0040eff71 )
Alibaba TrojanDownloader:Win32/Blocker.58a4a594
K7GW Riskware ( 0040eff71 )
Symantec Trojan.Gen.2
Elastic malicious (moderate confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.VB.QEM
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 99)
Kaspersky Trojan-Ransom.Win32.Blocker.aoaz
BitDefender Gen:Variant.Fragtor.97859
NANO-Antivirus Trojan.Win32.Blocker.bxwojd
Avast FileRepMalware [Trj]
Tencent Win32.Trojan.Blocker.Ydkl
Ad-Aware Gen:Variant.Fragtor.97859
Comodo Malware@#261wr76epshe5
Zillya Trojan.Blocker.Win32.4750
TrendMicro Ransom_Blocker.R002C0DJ422
McAfee-GW-Edition BehavesLike.Win32.Trojan.pc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Fragtor.97859 (B)
Ikarus Trojan-Downloader.Win32.VB
GData Gen:Variant.Fragtor.97859
Webroot W32.Malware.Gen
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Generic.ASMalwS.60F
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft TrojanDownloader:Win32/Nitedrem.A
Google Detected
McAfee Artemis!AEDFF29B7A17
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Malwarebytes Malware.Heuristic.1004
TrendMicro-HouseCall Ransom_Blocker.R002C0DJ422
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!bu3OIjiupys
MaxSecure Virus.W32.HLLP.VB.F
Fortinet W32/VBKrypt.C!tr
AVG FileRepMalware [Trj]
Panda Trj/Dursg.G

How to remove TrojanDownloader:Win32/Nitedrem.A?

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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