TrojanDownloader:Win32/Nitedrem.A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
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.
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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.mlw
path: /opt/CAPEv2/storage/binaries/8f873804bdfbfb991a75799329f02590a2bbc83cb7cefa570de3e00d19e206cf
crc32: A5CBB7D6
md5: aedff29b7a17b9be57773c44f8fde7fd
sha1: 50005f7de35d9e52ff7e7d56ce63707e563b14cd
sha256: 8f873804bdfbfb991a75799329f02590a2bbc83cb7cefa570de3e00d19e206cf
sha512: 4182a1f33412f507df84fcd288f94c2bac9247863355f9d8a82a198f279a81744aca2f5ae0337f6ce7e023af466c0bfc9896feefa0a0c9d8e5f9447953f4154f
ssdeep: 768:XzSKGFZe2NzYlK+C5T+x5RA4JYrJVgSjlwi2g/DMtoTIHqCoh+AJ2UnhM6Jix/hv:XzjGnCtCUxz0XjSIDM21C7A/ntMt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F723E1EFBE886073E0CD1F301D7A97F78E258D6097A1859B62E63E18BC75164D860363
sha3_384: fc6f7b5046cfaeff168006090ee9fae4c32a12c24fd2da1842161321413c8b79bc5dfd3f786983599b669196f91091e3
ep_bytes: 60e803000000e9eb045d4555c3e80100
timestamp: 2013-01-31 13:15:50

Version Info:

CompanyName: Blizzard Entertainment
FileDescription: Blizzard Downloader
FileVersion: 2, 2, 1, 1542
InternalName: BlizzardDownloader
LegalCopyright: (c) 2004-2010 Blizzard Entertainment
OriginalFilename: BlizzardDownloader.exe
ProductName: Blizzard Downloader
ProductVersion: 2, 2, 1, 1542
Translation: 0x0409 0x04b0

TrojanDownloader:Win32/Nitedrem.A also known as:

LionicTrojan.Win32.Blocker.V!c
MicroWorld-eScanGen:Variant.Fragtor.97859
FireEyeGen:Variant.Fragtor.97859
ALYacGen:Variant.Fragtor.97859
CylanceUnsafe
VIPREGen:Variant.Fragtor.97859
SangforDownloader.Win32.Blocker.Vqob
K7AntiVirusRiskware ( 0040eff71 )
AlibabaTrojanDownloader:Win32/Blocker.58a4a594
K7GWRiskware ( 0040eff71 )
SymantecTrojan.Gen.2
Elasticmalicious (moderate confidence)
ESET-NOD32a variant of Win32/TrojanDownloader.VB.QEM
APEXMalicious
Paloaltogeneric.ml
CynetMalicious (score: 99)
KasperskyTrojan-Ransom.Win32.Blocker.aoaz
BitDefenderGen:Variant.Fragtor.97859
NANO-AntivirusTrojan.Win32.Blocker.bxwojd
AvastFileRepMalware [Trj]
TencentWin32.Trojan.Blocker.Ydkl
Ad-AwareGen:Variant.Fragtor.97859
ComodoMalware@#261wr76epshe5
ZillyaTrojan.Blocker.Win32.4750
TrendMicroRansom_Blocker.R002C0DJ422
McAfee-GW-EditionBehavesLike.Win32.Trojan.pc
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.Fragtor.97859 (B)
IkarusTrojan-Downloader.Win32.VB
GDataGen:Variant.Fragtor.97859
WebrootW32.Malware.Gen
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Generic.ASMalwS.60F
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojanDownloader:Win32/Nitedrem.A
GoogleDetected
McAfeeArtemis!AEDFF29B7A17
MAXmalware (ai score=100)
VBA32Hoax.Blocker
MalwarebytesMalware.Heuristic.1004
TrendMicro-HouseCallRansom_Blocker.R002C0DJ422
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Blocker!bu3OIjiupys
MaxSecureVirus.W32.HLLP.VB.F
FortinetW32/VBKrypt.C!tr
AVGFileRepMalware [Trj]
PandaTrj/Dursg.G

How to remove TrojanDownloader:Win32/Nitedrem.A?

TrojanDownloader:Win32/Nitedrem.A malware is very hard to erase manually. It stores its files in a variety of places throughout the disk, and can restore itself from one of the elements. Furthermore, various changes in the registry, networking setups and also Group Policies are fairly hard to discover and return to the original. It is better to use a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated almost every hour. Moreover, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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