Win32:Nabucur-B [Trj]

Spectating the Win32:Nabucur-B [Trj] malware detection means that your computer is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

Win32:Nabucur-B [Trj] detection is a virus detection you can spectate in your system. It often shows up after the preliminary procedures on your PC – opening the dubious e-mail, clicking the advertisement in the Internet or installing the program from dubious resources. From the moment it appears, you have a short time to do something about it before it starts its harmful action. And be sure – it is better not to wait for these malicious actions.

What is Win32:Nabucur-B [Trj] virus?

Win32:Nabucur-B [Trj] is ransomware-type malware. It looks for the files on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a ton of harm to your system. It alters the networking settings in order to avoid you from looking for the removal articles or downloading the antivirus. Sometimes, Win32:Nabucur-B [Trj] can also prevent the launching of anti-malware programs.

Win32:Nabucur-B [Trj] Summary

Summarizingly, Win32:Nabucur-B [Trj] virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • At least one process apparently crashed during execution;
  • Creates RWX memory;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the files located on the target’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is difficult to realize a more dangerous malware for both individuals and organizations. The algorithms utilized in Win32:Nabucur-B [Trj] (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these horrible things instantly – it can require up to several hours to cipher all of your files. Hence, seeing the Win32:Nabucur-B [Trj] detection is a clear signal that you must begin the removal procedure.

Where did I get the Win32:Nabucur-B [Trj]?

Usual ways of Win32:Nabucur-B [Trj] spreading are typical for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a relatively modern tactic in malware spreading – you receive the email that imitates some standard notifications about shipments or bank service conditions modifications. Inside of the e-mail, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks quite simple, however, still requires a lot of awareness. Malware can hide in different places, and it is much better to stop it even before it goes into your system than to depend on an anti-malware program. Simple cybersecurity knowledge is just an essential item in the modern world, even if your relationship with a computer stays on YouTube videos. That may save you a great deal of money and time which you would spend while trying to find a solution.

Win32:Nabucur-B [Trj] malware technical details

File Info:

name: 5C546F8F7510C52836FD.mlwpath: /opt/CAPEv2/storage/binaries/c99e64eb038ee47fc1179c81d7aa2e7366dda6bbf721a0836d27dc9e1e934d93crc32: 6B1C4302md5: 5c546f8f7510c52836fde034ebee3f7asha1: 9acf9aeb6a20a90c50056075c090d25cc87de7d0sha256: c99e64eb038ee47fc1179c81d7aa2e7366dda6bbf721a0836d27dc9e1e934d93sha512: 8c4f290de7f276000c8f37ad88bb6aadb7c294008cdc94b5a66bbc3c33793802296c584078a398df767db9e8ac3fb04a50155334552be00490652f930e454465ssdeep: 12288:AJH9df77BDTXXLACDDER/E2XFW0cUmbMTfM5M7lCEXn8czFgQk24m:2R77BDLXVwNhXFAUmyb8BQk24mtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16FE4BEBBA02A3112AC427570E84E93A45359444F779661FFB0FC08AE4F997DCB67A331sha3_384: a4f7e2b82d56682216f502e953a008534919e0136891b4ed5e1970703fdf04206cf6f8c42780a13243adfcc0628f550fep_bytes: 83ec20e84cbd0a00e901000000c3e83btimestamp: 2015-02-07 09:53:36

Version Info:

0: [No Data]

Win32:Nabucur-B [Trj] also known as:

Bkav W32.AIDetect.malware1
MicroWorld-eScan Win32.Virlock.Gen.3
FireEye Generic.mg.5c546f8f7510c528
ALYac Win32.Virlock.Gen.3
Cylance Unsafe
Zillya Virus.Virlock.Win32.2
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0040fa5c1 )
K7GW Trojan ( 0040fa5c1 )
Cybereason malicious.f7510c
BitDefenderTheta AI:FileInfector.AE99F02013
Cyren W32/S-11daff79!Eldorado
Symantec W32.Virlock!gen1
ESET-NOD32 a variant of Win32/Virlock.J
Baidu Win32.Virus.Virlock.e
TrendMicro-HouseCall PE_VIRLOCK.A-O
ClamAV Win.Virus.Virlock-6804475-0
Kaspersky Virus.Win32.PolyRansom.f
BitDefender Win32.Virlock.Gen.3
NANO-Antivirus Virus.Win32.Virlock.driqkj
Avast Win32:Nabucur-B [Trj]
Tencent Virus.Win32.Polyransom.f
Ad-Aware Win32.Virlock.Gen.3
Emsisoft Win32.Virlock.Gen.3 (B)
Comodo Virus.Win32.VirLock.GA@7lv9go
DrWeb Win32.VirLock.16
VIPRE Virus.Win32.Nabucur.c (v)
TrendMicro PE_VIRLOCK.A-O
McAfee-GW-Edition BehavesLike.Win32.VirRansom.jc
Sophos ML/PE-A + W32/VirRnsm-E
Ikarus Virus.Win32.Virlock
GData Win32.Virlock.Gen.3
Jiangmin Win32/Polyransom.f
eGambit Unsafe.AI_Score_100%
Avira TR/Crypt.ZPACK.Gen
MAX malware (ai score=87)
Antiy-AVL Virus/Win32.PolyRansom.f
Arcabit Win32.Virlock.Gen.3
APEX Malicious
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Win32/Nabucur.D.X1506
Acronis suspicious
McAfee W32/VirRansom.b!5C546F8F7510
TACHYON Virus/W32.VirRansom.D
VBA32 Virus.VirLock.gen.2
Malwarebytes Malware.Heuristic.1001
Rising Malware.Heuristic!ET#100% (RDMK:cmRtazpW1hUJcf90Z+4aiQnXLNPH)
SentinelOne Static AI – Malicious PE
MaxSecure Virus.PolyRansom.b
Fortinet W32/Virlock.B
AVG Win32:Nabucur-B [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:Nabucur-B [Trj]?

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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