Win32/Filecoder.BQ

What is Win32/Filecoder.BQ infection?

In this short article you will locate regarding the definition of Win32/Filecoder.BQ and also its adverse effect on your computer. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom by a target.

Most of the situations, Win32/Filecoder.BQ virus will certainly advise its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/Filecoder.BQ Summary

These alterations can be as follows:

  • Mimics the system’s user agent string for its own requests;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard drive — so the victim can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
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Win32/Filecoder.BQ

One of the most normal channels where Win32/Filecoder.BQ are injected are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or prevent the tool from working in a proper way – while also placing a ransom note that points out the need for the victims to effect the settlement for the objective of decrypting the papers or recovering the data system back to the initial condition. In most circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/Filecoder.BQ circulation channels.

In various corners of the globe, Win32/Filecoder.BQ expands by leaps and bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom amount might differ relying on specific neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom money amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having detected some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the individual to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software piracy is less prominent, this approach is not as efficient for the cyber scams. Conversely, the Win32/Filecoder.BQ popup alert may falsely declare to be originating from a police institution and also will report having situated youngster pornography or other unlawful information on the device.

    Win32/Filecoder.BQ popup alert may falsely assert to be deriving from a regulation enforcement establishment as well as will report having situated youngster pornography or various other unlawful information on the device. The alert will likewise consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 35FC0D94md5: 8bcc561ef4d0ceaed3cdc3ae0c77575aname: 8BCC561EF4D0CEAED3CDC3AE0C77575A.mlwsha1: 1573a112334e5f94b9a580ad1bae5cd872e3a040sha256: 1dec40385522800dfed483b645da71c1ee3afbbdec27e567662972d59c5cbf25sha512: c9c43c1d2689386c465f14a8fe94d2c696964083273655b4876a0ffffbca8f49222c4cc2060d07bcb6a33287a308bb5c067c582f5d452cd5ab121ee3a38fc629ssdeep: 6144:ZyJDysPRciX7JkCpDWgTO3x5N22vWvLRKKAX5l++SyVI4xZ:0Dt6iXdkChT85I2vCMX5l+Zn4type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.BQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.364383
FireEye Generic.mg.8bcc561ef4d0ceae
McAfee Artemis!8BCC561EF4D0
Malwarebytes MachineLearning/Anomalous.100%
VIPRE Trojan.Win32.Cryptolocker.mc (fs)
AegisLab Trojan.Win32.Blocker.j!c
Sangfor Virus_Suspicious.Win32.Sality.ae
K7AntiVirus Trojan ( 0040f66a1 )
BitDefender Gen:Variant.Zusy.364383
K7GW Trojan ( 0040f66a1 )
BitDefenderTheta Gen:NN.ZexaF.34590.xuY@aKwj41bi
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Ransom-AQL [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.crrj
Alibaba Trojan:Win32/Starter.ali2000005
NANO-Antivirus Trojan.Win32.Blocker.clhzqv
Rising Trojan.CryptoLocker!1.9E7C (CLOUD)
Ad-Aware Gen:Variant.Zusy.364383
Sophos Mal/Ransom-BW
Comodo Malware@#1qhvsyrld3y4r
F-Secure Heuristic.HEUR/AGEN.1123429
DrWeb Trojan.Encoder.329
Zillya Trojan.Blocker.Win32.12057
TrendMicro TROJ_CRILOCK.AS
McAfee-GW-Edition BehavesLike.Win32.Emotet.fc
Emsisoft Gen:Variant.Zusy.364383 (B)
Ikarus Trojan.Win32.Crilock
GData Gen:Variant.Zusy.364383
Webroot W32.Ransom.Blocker
Avira HEUR/AGEN.1123429
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Arcabit Trojan.Zusy.D58F5F
SUPERAntiSpyware Trojan.Agent/Gen-Ransom
ZoneAlarm Trojan-Ransom.Win32.Blocker.crrj
Microsoft Ransom:Win32/Crilock.A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Cryptolocker.R145793
VBA32 Trojan-Ransom.Blocker
ALYac Gen:Variant.Zusy.364383
MAX malware (ai score=100)
Panda Generic Malware
ESET-NOD32 a variant of Win32/Filecoder.BQ
TrendMicro-HouseCall TROJ_CRILOCK.AS
Tencent Win32.Trojan.Blocker.Eehw
Yandex Trojan.Blocker!BAGhmPQThGE
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Blocker.BW!tr
MaxSecure Trojan.Malware.6624491.susgen
AVG Win32:Ransom-AQL [Trj]
Cybereason malicious.ef4d0c
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HxQBy6cA

How to remove Win32/Filecoder.BQ virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Filecoder.BQ you can always ask me in the comments for getting help.

References

    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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