What is “Spyware.Quasar”?

The Spyware.Quasar 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

6-day free trial available.

What Spyware.Quasar virus can do?

Network activity detected but not expressed in API logs
Anomalous binary characteristics

How to determine Spyware.Quasar?


File Info:
crc32: 57E7B524
md5: b9a1c7dd8171afe0e3fc1524f5eafb18
name: B9A1C7DD8171AFE0E3FC1524F5EAFB18.mlw
sha1: 19b79357841b2bcb3438011f4c8e45f7278aeaa9
sha256: d173b9844be24a9172f2f2adcde3dd65090afa690b1bd952a7da01de33ad60ef
sha512: d57c9cf4a489dec1f8b17351173e1ffc202e454f214b85e132fbd5d8af2d4a611e50e1a7f85eb0dfce438539aaec3b143d1fafafbaa0def914f6401c5993da6d
ssdeep: 48:6BR4JYcgJWV6jUlo7jhhj+h9feP3uulxxxVKqXSfbNtm:64JYcLcUm799VPJVxEzNt
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright:  
Assembly Version: 0.0.0.0
InternalName: Program.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:  
OriginalFilename: Program.exe

Spyware.Quasar also known as:

K7AntiVirus	Trojan-Downloader ( 005803be1 )
Cynet	Malicious (score: 99)
ALYac	IL:Trojan.MSILZilla.6286
CrowdStrike	win/malicious_confidence_60% (W)
ESET-NOD32	a variant of MSIL/TrojanDownloader.Small.COA
APEX	Malicious
Avast	Win32:Trojan-gen
Kaspersky	HEUR:Trojan-Spy.MSIL.Quasar.gen
BitDefender	IL:Trojan.MSILZilla.6286
MicroWorld-eScan	IL:Trojan.MSILZilla.6286
Ad-Aware	IL:Trojan.MSILZilla.6286
Sophos	Mal/Generic-R
BitDefenderTheta	Gen:NN.ZemsilF.34266.am0@a4QyGLc
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.b9a1c7dd8171afe0
Emsisoft	IL:Trojan.MSILZilla.6286 (B)
SentinelOne	Static AI – Malicious PE
Avira	HEUR/AGEN.1144490
Microsoft	Trojan:Win32/Wacatac.B!ml
Arcabit	IL:Trojan.MSILZilla.D188E
GData	IL:Trojan.MSILZilla.6286
AhnLab-V3	Trojan/Win.Trojan-gen.R435581
McAfee	Artemis!B9A1C7DD8171
MAX	malware (ai score=84)
Malwarebytes	Spyware.Quasar
Ikarus	Trojan-Downloader.MSIL.Small
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Small.COA!tr
AVG	Win32:Trojan-gen

How to remove Spyware.Quasar?

Spyware.Quasar 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.

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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