Categories: Malware

AdWare.MSIL.Zapchast removal tips

The AdWare.MSIL.Zapchast 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 AdWare.MSIL.Zapchast virus can do?

  • 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
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine AdWare.MSIL.Zapchast?


File Info:

name: 55C691FBCAC49AE643CA.mlwpath: /opt/CAPEv2/storage/binaries/07ea7568d36f34de895f6dd466e2443e1cb063c5ac433587bc34fe8c6f82695dcrc32: A8D94EF4md5: 55c691fbcac49ae643cae3ab532751b2sha1: 5a5abd738579d3511039ebaa985294bb41a54b17sha256: 07ea7568d36f34de895f6dd466e2443e1cb063c5ac433587bc34fe8c6f82695dsha512: e30a3a246a68347ee5c298db85e653c9160cf9c8a95cbf19701bcd5e6164ac5c580f67ab1a57059686c014059ac9105a9c7259c78fd09b2ae839aa8e364b1dd4ssdeep: 96:jQHJz55hKT8MY8iu+ICadc/9lEjCTbE61W5TZ84LXSxQvktsgPRHzNt:OFCxV+IC6SKu08YZnXmQkWetype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18C120812A3A88A77C9370B3259A3E64017B0A349DA67DE5F68CD0C1F7D737804793B95sha3_384: 66801953f0310dd10163e7c3501e5b1251632f90fc8a8556f92e114076c6c53b900421cfacb52e8b5b0b415e4bfc0117ep_bytes: ff250020400000000000000000000000timestamp: 2019-08-07 11:46:21

Version Info:

Translation: 0x0000 0x04b0Comments: NorahFileDescription: NorahFileVersion: 0.0.0.0InternalName: Norah.exeLegalCopyright: OriginalFilename: Norah.exeProductName: NorahProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

AdWare.MSIL.Zapchast also known as:

Lionic Adware.MSIL.Zapchast.2!c
Elastic malicious (high confidence)
DrWeb Trojan.Dotdo.19
MicroWorld-eScan Trojan.GenericKD.38123356
FireEye Generic.mg.55c691fbcac49ae6
ALYac Trojan.GenericKD.38123356
Cylance Unsafe
K7AntiVirus Adware ( 0055c5971 )
Alibaba AdWare:MSIL/Zapchast.765edb02
K7GW Adware ( 0055c5971 )
Cybereason malicious.38579d
Cyren W32/DotDo.AD.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Adware.Dotdo.HO
APEX Malicious
Kaspersky not-a-virus:HEUR:AdWare.MSIL.Zapchast.gen
BitDefender Trojan.GenericKD.38123356
Avast Win32:AdwareX-gen [Adw]
Tencent Msil.Adware.Zapchast.Sxes
Ad-Aware Trojan.GenericKD.38123356
Sophos Dotdo (PUA)
Comodo Application.MSIL.Dotdo.GI@8dtvh3
McAfee-GW-Edition BehavesLike.Win32.Generic.zt
Emsisoft Trojan.GenericKD.38123356 (B)
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.38123356
Avira HEUR/AGEN.1124738
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
McAfee Artemis!55C691FBCAC4
MAX malware (ai score=88)
Malwarebytes Adware.DotDo.Generic.TskLnk
TrendMicro-HouseCall TROJ_GEN.R002H0CKQ21
Ikarus AdWare.MSIL.Dotdo
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Kubik.gen!tr
AVG Win32:AdwareX-gen [Adw]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_80% (D)

How to remove AdWare.MSIL.Zapchast?

  • 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.
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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