Worm

What is “Worm:MSIL/Necast.H”?

Malware Removal

The Worm:MSIL/Necast.H is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Worm:MSIL/Necast.H virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine Worm:MSIL/Necast.H?



File Info:

crc32: B984FCAB
md5: 917766cc3b99ad121fcd26ea55c05745
name: 917766CC3B99AD121FCD26EA55C05745.mlw
sha1: 22ed90797bc43c15986b9b60955517231e80740d
sha256: f1bb53cba15781e05987d0620fc1b025ff72b5822088304b5b5de0d7d97aaa9e
sha512: 2fcade49d3454185a9320d111b784407dcad8e5fabd7a95b960dd7b3ad4a76b1b8f1774e5f22555efeae3cc23a521ae720798aa80918fc1f862257c478bb8272
ssdeep: 12288:BH8ehRRh/c267iFdtfgTUDpMRx+3dBmSju:jbXn6GF8CMRdSju
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows


Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 x56fdx5916x6536x96c6x56fdx5bb6x60c5x62a5x63d0x4f9bx603bx4f53x65b9x5411x5e76x8fdbx884cx534fxff0cx60c5x62a5x7684x6536x96c6x6388x6743x7684x60c5x62a5x529b 2017
Assembly Version: 12.44.21.67
InternalName: W.exe
FileVersion: 13.54.11.64
CompanyName: x7684x6536x96c6x5219x901ax8fc7x6388x6743x7684x60c5x62a5x673ax6784
ProductName: x56fdx5916x6536x96c6x56fdx5bb6x60c5x62a5x63d0x4f9bx603bx4f53x65b9x5411x5e76x8fdbx884cx534fx8c03x5de5x4f5cxff0cx60c5x62a5x7684
ProductVersion: 13.54.11.64
FileDescription: x96c6x5219x901ax8fc7x6388x6743x7684x60c5x62a5x673ax6784x7684x4ebax529b
OriginalFilename: W.exe

Worm:MSIL/Necast.H also known as:

Elasticmalicious (high confidence)
DrWebTrojan.Siggen3.53454
FireEyeGeneric.mg.917766cc3b99ad12
Qihoo-360Win32/Trojan.37c
McAfeeArtemis!917766CC3B99
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Blocker.j!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004c3af41 )
K7GWTrojan ( 004c3af41 )
Cybereasonmalicious.97bc43
BitDefenderThetaGen:NN.ZemsilF.34590.Am0@aGSo0lj
CyrenW32/MSIL_Bladabindi.U.gen!Eldorado
ESET-NOD32a variant of MSIL/Kryptik.CDM
APEXMalicious
AvastWin32:Malware-gen
NANO-AntivirusTrojan.Win32.Blocker.eloncb
RisingRansom.Blocker!8.12A (CLOUD)
SophosMal/Generic-S
ComodoMalware@#2e5v7kkw9o9j7
F-SecureHeuristic.HEUR/AGEN.1101233
McAfee-GW-EditionArtemis!Trojan
IkarusTrojan-Dropper.Win32.Injector
JiangminTrojan.Blocker.ggy
AviraHEUR/AGEN.1101233
Antiy-AVLTrojan[Ransom]/Win32.Blocker
KingsoftWin32.Troj.Undef.(kcloud)
ZoneAlarmTrojan-Ransom.Win32.Blocker.jwiv
MicrosoftWorm:MSIL/Necast.H
CynetMalicious (score: 85)
MalwarebytesMachineLearning/Anomalous.95%
PandaTrj/GdSda.A
TencentWin32.Trojan.Blocker.Hrop
YandexTrojan.Kryptik!Qw3c5Iu/Os0
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetMSIL/Kryptik.CDM!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (D)

How to remove Worm:MSIL/Necast.H?

Worm:MSIL/Necast.H removal tool
  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • “Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.

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About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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