Win32/Agent.NQS

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Agent.NQS malware detection means that your computer is in big danger. This malware can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be taken as soon as possible.
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Win32/Agent.NQS detection is a malware detection you can spectate in your system. It generally appears after the provoking procedures on your computer – opening the dubious e-mail, clicking the advertisement in the Web or mounting the program from unreliable resources. From the moment it appears, you have a short time to take action before it begins its malicious activity. And be sure – it is better not to await these harmful actions.

What is Win32/Agent.NQS virus?

Win32/Agent.NQS is ransomware-type malware. It searches for the files on your disk drive, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a ton of damage to your system. It alters the networking setups in order to avoid you from checking out the elimination manuals or downloading the anti-malware program. In rare cases, Win32/Agent.NQS can even stop the setup of anti-malware programs.

Win32/Agent.NQS Summary

In total, Win32/Agent.NQS malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • CAPE extracted potentially suspicious content;
  • Unconventionial binary language: Arabic (Algeria);
  • Unconventionial language used in binary resources: Rhaeto (Romance);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Detects the presence of Wine emulator via function name;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Queries information on disks, possibly for anti-virtualization;
  • Behavioural detection: Injection (inter-process);
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a registry key;
  • Detects VMware through the presence of a registry key;
  • Encrypting the files kept on the victim’s drive — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a headache for the last 4 years. It is challenging to realize a more dangerous virus for both individuals and companies. The algorithms used in Win32/Agent.NQS (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these bad things immediately – it may take up to a few hours to cipher all of your documents. Thus, seeing the Win32/Agent.NQS detection is a clear signal that you should begin the removal process.

Where did I get the Win32/Agent.NQS?

Usual ways of Win32/Agent.NQS spreading are usual for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a quite new method in malware spreading – you receive the email that simulates some regular notifications about deliveries or bank service conditions updates. Within the email, there is a corrupted MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks quite easy, however, still demands a lot of recognition. Malware can hide in various places, and it is better to prevent it even before it gets into your computer than to rely upon an anti-malware program. Simple cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can keep you a lot of time and money which you would certainly spend while trying to find a solution.

Win32/Agent.NQS malware technical details

File Info:

name: B56D1BA6D92E65807B80.mlw
path: /opt/CAPEv2/storage/binaries/e293c09de8540a2865769f5b06902f95d6c5bf082f49a7843b15c1b82d321107
crc32: FCB6C67D
md5: b56d1ba6d92e65807b809dcd6e4e1d13
sha1: bcd192d0bfd5443af25dd92a81f25dab8508c03d
sha256: e293c09de8540a2865769f5b06902f95d6c5bf082f49a7843b15c1b82d321107
sha512: a2b4c8502c4f83e06a52438852e0fe8204c290be6b0bb0b8c89148f52f0a19f7f3e40a128122cb085044f2bb2271219be5a1a3a7c354575906ad4a8d6635a4b3
ssdeep: 3072:cPSvAvG2gwnMgHdyykaGd6sIv77qjmWTmR/gUlVu+ezCx:caAdnMprdv077q36R/RVu6
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T100E39D1AB8B190B2D0D7D23148F9DAE6C5AEB431136D3C477F9C16EE5B103E01A76E85
sha3_384: bb25c89f0841b65b99780a9f4f68d10d9b44cc344898b5aa1915e1298a0764f145d115c83439628c52b1b9076eb4b68b
ep_bytes: e81f440000e978feffff558bec83ec04
timestamp: 2014-11-17 11:49:00

Version Info:

CompanyName: Raw hollow percent - www.Badly.com
FileDescription: Eddy evidence fed offer route topic anybody
FileVersion: 6.0.0.4
Internal Name: Screen.exe
Legal Trademarks: Badly
Original Filename: Screen.exe
ProductName: Badly
ProductVersion: 6.0
LegalCopyright: Copyright (C) Badly 2008-2013
Translation: 0x0401 0x04b0

Win32/Agent.NQS also known as:

BkavW32.BanfesiA.Trojan
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Lethic.Gen.1
CAT-QuickHealTrojanRansom.Crowti.A4
McAfeePWSZbot-FAGF!B56D1BA6D92E
CylanceUnsafe
SangforWorm.Win32.Agent.NQS
K7AntiVirusTrojan ( 0055e3dd1 )
AlibabaVirTool:Win32/Injector.828eb8b1
K7GWTrojan ( 0055e3dd1 )
Cybereasonmalicious.6d92e6
CyrenW32/Rovnix.A.gen!Eldorado
SymantecW32.IRCBot.NG
tehtrisGeneric.Malware
ESET-NOD32Win32/Agent.NQS
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Lethic.Gen.1
NANO-AntivirusTrojan.Win32.Yakes.dizcke
AvastWin32:Androp [Drp]
RisingWorm.Agent!8.25 (CLOUD)
Ad-AwareTrojan.Lethic.Gen.1
SophosML/PE-A + Mal/Wonton-AN
ComodoMalware@#2bsbmtkyppdf4
F-SecureHeuristic.HEUR/AGEN.1238248
DrWebTrojan.Matsnu.79
ZillyaTrojan.Yakes.Win32.26999
TrendMicroTROJ_YAKES.DUKML
McAfee-GW-EditionBehavesLike.Win32.Locky.cc
FireEyeGeneric.mg.b56d1ba6d92e6580
EmsisoftTrojan.Lethic.Gen.1 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan/Yakes.pgw
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1238248
MAXmalware (ai score=100)
Antiy-AVLTrojan/Generic.ASMalwS.CC9C6E
KingsoftWin32.Troj.Yakes.hg.(kcloud)
MicrosoftVirTool:Win32/Injector.EY
SUPERAntiSpywareTrojan.Agent/Gen-Yakes
GDataTrojan.Lethic.Gen.1
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Necurs.R125275
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34606.jq0@a4!q1tkG
ALYacTrojan.Lethic.Gen.1
VBA32Heur.Malware-Cryptor.Ngrbot
MalwarebytesTrojan.Agent.DED
TrendMicro-HouseCallTROJ_YAKES.DUKML
TencentWin32.Trojan.Generic.Pepp
YandexWorm.Agent!GNSZGdZsJeE
IkarusTrojan-Downloader.Win32.Waski
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Injector.BPYL!tr
AVGWin32:Androp [Drp]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Agent.NQS?

Win32/Agent.NQS malware is very hard to remove manually. It puts its files in several places throughout the disk, and can restore itself from one of the parts. In addition, a number of modifications in the registry, networking settings and also Group Policies are pretty hard to discover and revert to the original. It is far better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

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

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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