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The Daily Insight

MSIL/TrojanDownloader.Agent.CQM

Author

Andrew Patterson

Updated on March 13, 2026

MSIL/TrojanDownloader.Agent.CQM detection is a malware detection you can spectate in your computer. It frequently appears after the preliminary procedures on your PC – opening the suspicious email, clicking the banner in the Internet or setting up the program from suspicious resources. From the second it appears, you have a short time to do something about it until it starts its destructive action. And be sure – it is much better not to wait for these malicious things.

What is MSIL/TrojanDownloader.Agent.CQM virus?

MSIL/TrojanDownloader.Agent.CQM is ransomware-type malware. It searches for the files on your computer, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It modifies the networking settings in order to prevent you from checking out the elimination tutorials or downloading the anti-malware program. In some cases, MSIL/TrojanDownloader.Agent.CQM can additionally prevent the launching of anti-malware programs.

MSIL/TrojanDownloader.Agent.CQM Summary

In summary, MSIL/TrojanDownloader.Agent.CQM malware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • .NET file is packed/obfuscated with Confuser;
  • Authenticode signature is invalid;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Ciphering the files kept on the victim’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a major problem for the last 4 years. It is hard to picture a more hazardous virus for both individual users and organizations. The algorithms utilized in MSIL/TrojanDownloader.Agent.CQM (generally, 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 malware does not do all these unpleasant things without delay – it may take up to several hours to cipher all of your documents. Hence, seeing the MSIL/TrojanDownloader.Agent.CQM detection is a clear signal that you need to start the removal procedure.

Where did I get the MSIL/TrojanDownloader.Agent.CQM?

Routine methods of MSIL/TrojanDownloader.Agent.CQM spreading are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a pretty new strategy in malware distribution – you get the e-mail that imitates some regular notifications about shipments or bank service conditions modifications. Inside of the email, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks pretty easy, but still needs a lot of focus. Malware can hide in different spots, and it is better to prevent it even before it goes into your system than to rely on an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern world, even if your relationship with a computer remains on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fixing guide.

MSIL/TrojanDownloader.Agent.CQM malware technical details

File Info:

name: 8D2535916F0B35B4D954.mlwpath: /opt/CAPEv2/storage/binaries/a0b286890c0b5a43834f7690384644ac743a1facde72093b2a942b6de27b76bbcrc32: 1217B2D2md5: 8d2535916f0b35b4d954f69ac438b623sha1: 35c87d0685f27d13b8020942b5fd9e82cb9d5d89sha256: a0b286890c0b5a43834f7690384644ac743a1facde72093b2a942b6de27b76bbsha512: 619193d3cb0f6976d45886665ede0bda5a3d8f363e286eb0971f8a928058119fd9de360bd3a00c88f7546735ce0120fad44af70e170f740a21e4882620048104ssdeep: 3072:DlDWy3K69TgfujjBg4zdvk7LVgBG4b8+b9i9xVKFHjuz:NWy3KETgWjVlk7LVgBG2N94wtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18944968AB901A93FC4D5C17264E16CD5D9D4AC944A075A7EB283F53CE638CF3EB19232sha3_384: f371df016f36bb35a1a2c3227ae1af11fe9265118f38a8a9b23de4b59d2f8ecdbc1a9965a8670c406c27a3cc3d05cc94ep_bytes: ff250020400000000000000000000000timestamp: 2016-11-21 15:54:26

Version Info:

Translation: 0x0000 0x04b0Comments: Microsoft View Available NetworksCompanyName: ©Microsoft Corporation.6.3.68234FileDescription: Microsoft CorporationFileVersion: 56.45.5669.5492InternalName: dllhost.exeLegalCopyright: © Microsoft Corporation. All rights reservedLegalTrademarks: Microsoft® Windows® Operating SystemOriginalFilename: dllhost.exeProductName: OperatingSystem.dllProductVersion: 56.45.5669.5492Assembly Version: 5.5.6085.6062

MSIL/TrojanDownloader.Agent.CQM also known as:

LionicTrojan.Win32.Foreign.j!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Strictor.117802
FireEyeGeneric.mg.8d2535916f0b35b4
ALYacGen:Variant.Strictor.117802
CylanceUnsafe
ZillyaDownloader.Agent.Win32.407984
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 700000121 )
AlibabaRansom:Win32/Foreign.a5109867
K7GWTrojan ( 700000121 )
CrowdStrikewin/malicious_confidence_100% (W)
CyrenW32/Trojan.NUQF-5956
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.CQM
APEXMalicious
KasperskyTrojan-Ransom.Win32.Foreign.nile
BitDefenderGen:Variant.Strictor.117802
NANO-AntivirusTrojan.Win32.RiskGen.eiroav
TencentWin32.Trojan.Foreign.Ebgv
Ad-AwareGen:Variant.Strictor.117802
SophosMal/Generic-S
ComodoMalware@#2idweraduzmcc
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_DLOADR.SMSL
McAfee-GW-EditionGenericRXKN-DL!8D2535916F0B
EmsisoftGen:Variant.Strictor.117802 (B)
IkarusTrojan-Downloader.MSIL.Agent
GDataMSIL.Malware.Bucaspys.A
JiangminTrojan.Foreign.ggr
WebrootW32.Malware.Gen
AviraHEUR/AGEN.1108385
Antiy-AVLTrojan[Ransom]/Win32.Foreign
KingsoftWin32.Troj.Gener.(kcloud)
ArcabitTrojan.Strictor.D1CC2A
MicrosoftBackdoor:Win32/Bladabindi!ml
CynetMalicious (score: 99)
McAfeeGenericRXKN-DL!8D2535916F0B
MAXmalware (ai score=81)
VBA32Hoax.Foreign
Malwarebytes
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_DLOADR.SMSL
Rising (RDM.MSIL:WJRkuUyGJHQ0wR48jytATQ)
YandexTrojan.DL.Agent!dlTco3NHoJ8
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Agent.CQM!tr.dldr
BitDefenderThetaGen:NN.ZemsilF.34114.pm0@a4bmwWn
AVGWin32:Trojan-gen
Cybereasonmalicious.16f0b3
AvastWin32:Trojan-gen

How to remove MSIL/TrojanDownloader.Agent.CQM?

MSIL/TrojanDownloader.Agent.CQM malware is very hard to delete manually. It puts its files in numerous places throughout the disk, and can get back itself from one of the parts. Additionally, numerous modifications in the windows registry, networking configurations and also Group Policies are really hard to discover and revert to the initial. It is far better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated nearly every hour. Additionally, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing malware of any kind.

Download GridinSoft Anti-Malware

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