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The Daily Insight

MSIL/PSW.Agent.NBQ

Author

James White

Updated on April 04, 2026

What is MSIL/PSW.Agent.NBQ infection?

In this article you will discover regarding the meaning of MSIL/PSW.Agent.NBQ as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom money by a sufferer.

Most of the cases, MSIL/PSW.Agent.NBQ ransomware will instruct its targets to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has presented to the target’s device.

MSIL/PSW.Agent.NBQ Summary

These alterations can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • 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.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s hard disk — so the victim can no more utilize the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
me-hacker.no-ip.bizRansom.Blocker!8.12A (CLOUD)

MSIL/PSW.Agent.NBQ

The most typical channels through which MSIL/PSW.Agent.NBQ Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of user winding up on a source that hosts a malicious software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or protect against the tool from functioning in a proper fashion – while additionally positioning a ransom money note that mentions the demand for the sufferers to impact the settlement for the objective of decrypting the papers or restoring the data system back to the preliminary problem. In the majority of instances, the ransom note will turn up when the customer restarts the PC after the system has already been damaged.

MSIL/PSW.Agent.NBQ circulation networks.

In numerous corners of the globe, MSIL/PSW.Agent.NBQ grows by leaps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom amount may vary depending upon specific local (local) setups. The ransom money notes as well as techniques of extorting the ransom money quantity may differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s tool. The sharp after that requires the user to pay the ransom.

    Faulty declarations concerning illegal material.

    In nations where software piracy is less popular, this method is not as effective for the cyber scams. Additionally, the MSIL/PSW.Agent.NBQ popup alert might wrongly assert to be stemming from a police organization and will certainly report having situated youngster pornography or various other illegal information on the tool.

    MSIL/PSW.Agent.NBQ popup alert may wrongly assert to be acquiring from a legislation enforcement institution as well as will report having located child porn or various other illegal information on the device. The alert will likewise consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: C67C2421md5: b5140ec03a197864fdb1eb4cd3bcfce5name: B5140EC03A197864FDB1EB4CD3BCFCE5.mlwsha1: 15348da1b4822f7078d17586e1d133d634c39baesha256: 99aa3e655e4f7d668b8237f2d060967a73f260e181fe2def1f34ddab221bcd11sha512: 8df8f686c285a13b03185abd180b0946a97dc3726073dc895dd6bff9960c9dac6932808c01aec80365b4dace4fc275a99fb915c547c4906d5c2112c90d6a132assdeep: 24576:J1Nnj8n76Xtul0wAKebe1/wxO9X0/LR++ynJWQV2qhAmChlkl8taqp6RQ6P:vNnj8n7OtuyxJe1IxgX80+KJdUAKwWwtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 1.0.0.0InternalName: Stub.exeFileVersion: 1.0.0.0ProductVersion: 1.0.0.0FileDescription: OriginalFilename: Stub.exe

MSIL/PSW.Agent.NBQ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Variant.Symmi.33159
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.8535
SangforTrojan.Win32.Symmi.frcq
CrowdStrikewin/malicious_confidence_70% (D)
AlibabaTrojan:MSIL/Genome.dc295f17
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.03a197
SymantecML.Attribute.HighConfidence
ESET-NOD32MSIL/PSW.Agent.NBQ
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Symmi.33159
NANO-AntivirusTrojan.Win32.Blocker.bjrdno
MicroWorld-eScanGen:Variant.Symmi.33159
TencentWin32.Trojan.Blocker.Pcsa
Ad-AwareGen:Variant.Symmi.33159
SophosMal/Generic-S
ComodoMalware@#2v8w5ut7ztsk9
BitDefenderThetaGen:NN.ZexaF.34688.xD0@a8KpROF
VIPRETrojan.Win32.Generic.pak!cobra
McAfee-GW-EditionBehavesLike.Win32.Flyagent.tc
FireEyeGeneric.mg.b5140ec03a197864
EmsisoftGen:Variant.Symmi.33159 (B)
SentinelOneStatic AI – Suspicious PE
WebrootW32.Malware.Heur.Dkvt
AviraTR/Genome.mtpd
eGambitGeneric.Malware
KingsoftWin32.PSWTroj.Undef.(kcloud)
MicrosoftBackdoor:Win32/Bladabindi!ml
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Variant.Symmi.33159
TACHYONTrojan/W32.Blocker.1428992
Acronissuspicious
McAfeeArtemis!B5140EC03A19
MAXmalware (ai score=100)
VBA32Trojan.MSIL.DOTHETUK
MalwarebytesTrojan.MalPack
PandaTrj/CI.A
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Blocker!Xw8LrJ9dfI4
IkarusTrojan-Ransom.Blocker
FortinetW32/Blocker.AVAE!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove MSIL/PSW.Agent.NBQ ransomware?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for MSIL/PSW.Agent.NBQ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/PSW.Agent.NBQ you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: