Categories: Virus

Should I remove “Virus:Win32/Quervar.A”?

The Virus:Win32/Quervar.A 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 Virus:Win32/Quervar.A virus can do?

Behavioural detection: Executable code extraction – unpacking
A file was accessed within the Public folder.
Sample contains Overlay data
Reads data out of its own binary image
The binary contains an unknown PE section name indicative of packing
Authenticode signature is invalid
Deletes executed files from disk

How to determine Virus:Win32/Quervar.A?


File Info:
name: 27C81217162C97236E0D.mlwpath: /opt/CAPEv2/storage/binaries/dd88e2557bdec1ad4ebab094bd3edc933b4ad9b2e5d38f3048080e49538314a8crc32: 3B120140md5: 27c81217162c97236e0d49b194f5e8dfsha1: 469450cb604fcd7981c98473c255d4855d515860sha256: dd88e2557bdec1ad4ebab094bd3edc933b4ad9b2e5d38f3048080e49538314a8sha512: f99c1f39bb2b0ab4df84819810e613b436d29a19a7aac757d616d93fffdec17f304347b4a833b3c30f67951e999bd6c22aaf11a082fd82f0349ee802f91a07d4ssdeep: 3072:d1jjutWaL2GoSS0BSXBKBl6rySXBKBlyxn/qi7Tkgg43JQwc:dhj2L2PK0Biiy0BiYx7T3g438type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T197F3AE83F3C588B7E8170A744C2BAA48FA3EBD253D05251636E97E7B4C77381445A3A7sha3_384: 707d9cdc850dd9cd80443ee2fb82df1341b56661cbd72e80c2fdecad8c89b2e6f9e48bc5bb253ae430a9ac74c425a194ep_bytes: 558bec83c4c4b82cf44000e8545cfffftimestamp: 1992-06-19 22:22:17
Version Info:
CompanyName: FileDescription: Resource viewer, decompiler & recompiler.FileVersion: 3.4.0.79InternalName: ResHackLegalCopyright: (c) Angus Johnson 1999-2002LegalTrademarks: OriginalFilename: ResHackProductName: ProductVersion: 3.0.0.0Comments: Freeware, but see help file for conditions.Aditional Notes: Not for distribution without the authors permissionTranslation: 0x0c09 0x04e4

Virus:Win32/Quervar.A also known as:

Bkav	W32.AIDetectMalware
Lionic	Trojan.Win32.Dorifel.b!c
Elastic	malicious (high confidence)
MicroWorld-eScan	Win32.Davion.A
ClamAV	Win.Trojan.Agent-419176
FireEye	Generic.mg.27c81217162c9723
CAT-QuickHeal	W32.Quervar.A6
Skyhigh	BehavesLike.Win32.Dropper.ch
McAfee	W32/XDocCrypt
Malwarebytes	Generic.Malware.AI.DDS
VIPRE	Win32.Davion.A
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	EmailWorm ( 00541d5f1 )
Alibaba	Virus:Win32/Quervar.59ea56ef
K7GW	EmailWorm ( 00541d5f1 )
Cybereason	malicious.b604fc
BitDefenderTheta	Gen:NN.ZelphiCO.36744.ky3@a8DvOjhi
Symantec	Trojan.Exprez.B
ESET-NOD32	Win32/Quervar.A
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	Trojan-Dropper.Win32.Dorifel.cgt
BitDefender	Win32.Davion.A
NANO-Antivirus	Trojan.Win32.Dorifel.rpuiw
Avast	Win32:Evo-gen [Trj]
Tencent	Virus.Win32.Quervar.a
Sophos	W32/Quervar-C
Baidu	Win32.Virus.Quervar.d
F-Secure	Trojan.TR/Crypt.XPACK.Gen
DrWeb	Trojan.PWS.Gamania.36401
Zillya	Dropper.Dorifel.Win32.20717
TrendMicro	PE_QUERVAR.A
Trapmine	malicious.high.ml.score
Emsisoft	Win32.Davion.A (B)
Ikarus	Trojan-Dropper.Win32.Dorifel
GData	Win32.Davion.A
Jiangmin	Worm/Generic.wps
Webroot	W32.Trojan.Gen
Varist	W32/Quervar.A.gen!Eldorado
Avira	TR/Crypt.XPACK.Gen
Antiy-AVL	Trojan[Dropper]/Win32.Dorifel
Kingsoft	Win32.HeurC.KVM007.a
Xcitium	TrojWare.Win32.Dorifel.a@4q46bp
Arcabit	Win32.Davion.A
ZoneAlarm	Trojan-Dropper.Win32.Dorifel.cgt
Microsoft	Virus:Win32/Quervar.A
Google	Detected
AhnLab-V3	Dropper/Win32.Dorifel.R49471
ALYac	Win32.Davion.A
MAX	malware (ai score=100)
VBA32	BScope.TrojanDropper.Dorifel
Cylance	unsafe
Panda	W32/CryptD.A
TrendMicro-HouseCall	PE_QUERVAR.A
Rising	Malware.Undefined!8.C (TFE:3:0Kqb2hhA7x)
Yandex	Trojan.GenAsa!vSvIa0VInGk
SentinelOne	Static AI – Suspicious PE
MaxSecure	Virus.W32.Dorifel.cgt
Fortinet	W32/Dorifel.AOG!tr
AVG	Win32:Evo-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)