Trojan-Ransom.Win32.Zerber.fnsr

Spectating the Trojan-Ransom.Win32.Zerber.fnsr malware detection means that your PC is in big danger. This computer virus can correctly be named as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.

Trojan-Ransom.Win32.Zerber.fnsr detection is a malware detection you can spectate in your system. It usually shows up after the provoking procedures on your computer – opening the dubious e-mail, clicking the banner in the Web or mounting the program from untrustworthy sources. From the moment it shows up, you have a short time to take action until it begins its harmful activity. And be sure – it is far better not to await these malicious things.

What is Trojan-Ransom.Win32.Zerber.fnsr virus?

Trojan-Ransom.Win32.Zerber.fnsr is ransomware-type malware. It looks for the documents on your disks, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It changes the networking settings in order to avoid you from looking for the removal guidelines or downloading the antivirus. In some cases, Trojan-Ransom.Win32.Zerber.fnsr can additionally block the setup of anti-malware programs.

Trojan-Ransom.Win32.Zerber.fnsr Summary

Summarizingly, Trojan-Ransom.Win32.Zerber.fnsr ransomware actions in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • A ping command was executed with the -n argument possibly to delay analysis;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Collects information to fingerprint the system;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the victim’s disk drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a major problem for the last 4 years. It is hard to realize a more hazardous malware for both individuals and companies. The algorithms used in Trojan-Ransom.Win32.Zerber.fnsr (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 unpleasant things instantly – it may require up to a few hours to cipher all of your documents. Thus, seeing the Trojan-Ransom.Win32.Zerber.fnsr detection is a clear signal that you must start the clearing process.

Where did I get the Trojan-Ransom.Win32.Zerber.fnsr?

Common ways of Trojan-Ransom.Win32.Zerber.fnsr spreading are common for all other ransomware examples. Those are one-day landing sites where users are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a relatively new tactic in malware distribution – you receive the e-mail that mimics some normal notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a corrupted MS Office file, or a 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 pretty simple, however, still demands a lot of awareness. Malware can hide in various places, and it is better to prevent it even before it goes into your PC than to depend on an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may save you a lot of time and money which you would certainly spend while looking for a solution.

Trojan-Ransom.Win32.Zerber.fnsr malware technical details

File Info:

name: E797FAD0CF613DEB00A6.mlwpath: /opt/CAPEv2/storage/binaries/c59559b8579308a4b38b84fbc907d2988b75a51de3edbd65b1b25ebc95942045crc32: 1B3BF01Cmd5: e797fad0cf613deb00a6fd1fd717268csha1: 44956315c93fcfa19c8cdd4935f3e898272209a6sha256: c59559b8579308a4b38b84fbc907d2988b75a51de3edbd65b1b25ebc95942045sha512: 0d71c2bb26a5a14b40f98d8744b9e7c030422355b8d3e753d98438b1147dd8f3986dfd69c5ad13bf819b865668c6c323c6ae170daca16aa7a4330e9e0980c22dssdeep: 6144:T4WtSvvYXySR5cYiOrYMLusbbq3BkWvP1laLi0RbP/cihrk:T4DJ6m1+YMLusb23BjvP1laG0RbP/ThYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1274422725A1986ADE6695877F01ED9D840CF28611D9DB8F45F0FB7E678BE0C1CC88823sha3_384: 9b3f39aecf727968a8f3994133df856a701b7203c55a902321fbd13695003e1ee27ab9ede1c2eec4d3fca704e2c6909dep_bytes: 60be00c040008dbe0050ffff57eb0b90timestamp: 2014-09-11 07:28:00

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Zerber.fnsr also known as:

Lionic Trojan.Win32.Small.lpLT
Elastic malicious (moderate confidence)
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
FireEye Generic.mg.e797fad0cf613deb
CAT-QuickHeal Ransom.Exxroute.A4
McAfee Artemis!E797FAD0CF61
Cylance Unsafe
Sangfor Trojan.Win32.Agent.kylhs
K7AntiVirus Trojan ( 00509c1f1 )
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 00509c1f1 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/Cerber.AU.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.FQFE
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Zerber.fnsr
BitDefender Trojan.Ransom.Spora.Gen.1
NANO-Antivirus Trojan.Win32.Zerber.emvgta
Avast FileRepMalware [Trj]
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.Ransom.Spora.Gen.1
Sophos Mal/Generic-R + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
DrWeb Trojan.Encoder.4691
Zillya Trojan.Zerber.Win32.4266
McAfee-GW-Edition Ransomware-FMJ!98B2A4103797
Trapmine malicious.moderate.ml.score
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
SentinelOne Static AI – Malicious PE
GData Trojan.Ransom.Spora.Gen.1
Jiangmin Trojan.Zerber.bry
Avira TR/AD.Cerber.juibg
MAX malware (ai score=100)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Arcabit Trojan.Ransom.Spora.Gen.1
Microsoft Ransom:Win32/Cerber.I
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C2850488
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34712.pmHfaKJCnoe
ALYac Trojan.Ransom.Spora.Gen.1
TACHYON Ransom/W32.Cerber.288458
VBA32 BScope.TrojanPSW.Papras
Malwarebytes Ransom.Cerber
Yandex Trojan.GenAsa!urkijpKwmuM
Ikarus Trojan-Ransom.Cerber
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.FSHI!tr
AVG FileRepMalware [Trj]
Cybereason malicious.0cf613
Panda Trj/CI.A

How to remove Trojan-Ransom.Win32.Zerber.fnsr?

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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