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The Daily Insight

MSIL/Surveyer.E

Author

Rachel Ross

Updated on May 06, 2026

What is MSIL/Surveyer.E infection?

In this post you will certainly locate regarding the meaning of MSIL/Surveyer.E and also its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom by a victim.

Most of the situations, MSIL/Surveyer.E infection will instruct its victims to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has presented to the victim’s tool.

MSIL/Surveyer.E Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility to the victim’s workstation;

MSIL/Surveyer.E

The most common networks where MSIL/Surveyer.E Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that holds a destructive software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or avoid the gadget from working in an appropriate manner – while likewise putting a ransom money note that points out the need for the sufferers to effect the payment for the function of decrypting the files or recovering the data system back to the preliminary condition. In most instances, the ransom note will come up when the customer reboots the COMPUTER after the system has currently been damaged.

MSIL/Surveyer.E circulation networks.

In numerous edges of the globe, MSIL/Surveyer.E expands by leaps and also bounds. Nonetheless, the ransom notes and also tricks of obtaining the ransom amount may differ relying on certain neighborhood (regional) settings. The ransom notes as well as methods of extorting the ransom money quantity may differ depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In certain locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the target’s device. The alert after that demands the user to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software piracy is much less popular, this method is not as efficient for the cyber frauds. Conversely, the MSIL/Surveyer.E popup alert may incorrectly claim to be originating from a police establishment and will report having situated youngster porn or other unlawful information on the device.

    MSIL/Surveyer.E popup alert may falsely claim to be obtaining from a regulation enforcement establishment and will certainly report having situated child pornography or various other illegal information on the tool. The alert will likewise include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7327B295md5: f390e808e2989105f99467b9e914a77fname: F390E808E2989105F99467B9E914A77F.mlwsha1: e02f5893d495df2e424dcd894b4dc5fb82d01b51sha256: 3523ceb3cf95b0c57ad3c2c16ae8299355ff14a5e931d89e09a4cc27a64f21dbsha512: 8294bdb3e0f57af672963a38f704b805a8ccffc648768e566185f29973caa7d6516a96659b8749f9583cf3a281a59cabc212be320b95739541a4be2bb8063b18ssdeep: 768:ZccUEaD5y1DAwkgpTTPt33sbe4C2LyzYcHeIm:Z4L5WDAbiTxsxC0/Itype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2013Assembly Version: 1.0.0.0InternalName: WormLock.exeFileVersion: 1.0.0.0ProductVersion: 1.0.0.0FileDescription: OriginalFilename: WormLock.exe

MSIL/Surveyer.E also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 700000121 )
Elasticmalicious (high confidence)
DrWebTrojan.KillProc.28702
CynetMalicious (score: 100)
ALYacGen:Variant.MSILPerseus.217255
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.13669
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 700000121 )
Cybereasonmalicious.8e2989
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Surveyer.E
APEXMalicious
AvastMSIL:GenMalicious-AEJ [Trj]
KasperskyHEUR:Trojan.Win32.Agent.gen
BitDefenderGen:Variant.MSILPerseus.217255
NANO-AntivirusTrojan.Win32.Blocker.dcdzrs
MicroWorld-eScanGen:Variant.MSILPerseus.217255
TencentWin32.Trojan.Agent.Ectk
Ad-AwareGen:Variant.MSILPerseus.217255
SophosMal/Generic-S
ComodoMalware@#1rcdnaq85cqlw
BitDefenderThetaGen:NN.ZemsilF.34104.bm0@a4MYPDp
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGenericRXJP-CS!F390E808E298
FireEyeGeneric.mg.f390e808e2989105
EmsisoftGen:Variant.MSILPerseus.217255 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan/Blocker.gpo
AviraHEUR/AGEN.1117400
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.3D64A9
MicrosoftTrojanDropper:Win32/Randrew.A!bit
ArcabitTrojan.MSILPerseus.D350A7
SUPERAntiSpyware
ZoneAlarmHEUR:Trojan.Win32.Agent.gen
GDataGen:Variant.MSILPerseus.217255
TACHYONTrojan/W32.DN-Blocker.28672.B
AhnLab-V3Trojan/Win32.Blocker.R103323
McAfeeGenericRXJP-CS!F390E808E298
MAXmalware (ai score=100)
VBA32Hoax.Blocker
PandaTrj/CI.A
YandexBackdoor.Androm!aPe+SLEGvEw
IkarusTrojan-Ransom.Blocker
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/PossibleThreat
AVGMSIL:GenMalicious-AEJ [Trj]
Paloaltogeneric.ml

How to remove MSIL/Surveyer.E 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/Surveyer.E 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/Surveyer.E 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: