Categories: Virus

What is “Virus:Win32/Quervar!B”?

The Virus:Win32/Quervar!B 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

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 Virus:Win32/Quervar!B virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Anomalous binary characteristics

How to determine Virus:Win32/Quervar!B?


File Info:

crc32: 998E8B40md5: a5420b5de69e29f1db2e5dcc1590d6d1name: A5420B5DE69E29F1DB2E5DCC1590D6D1.mlwsha1: 475a100d86880ea7234126b5d20993fe83924114sha256: 732518b864029b74ee03b8f03c2ec61358951bfd8567f5c84ef22df8f103b976sha512: e07c45482256f0e91ca8f90801cd21c354614accbbc46201b9e34399f303727d3872c63db43f56a12b31e189bca01bbf1caa6c55943b285b016886a22d7ed82essdeep: 6144:kN1MN8XAedYuQZttdYdqAM8x8HUsN2LisKe:kBAoY1n/YAAMjls2stype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Virus:Win32/Quervar!B also known as:

Bkav W32.DocumentOverlayHP.Trojan
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop4.30581
Cynet Malicious (score: 100)
ALYac Gen:Variant.Quervar.1
Cylance Unsafe
Zillya Trojan.Dorifel.Win32.5
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Ransom:Win32/Dorifel.66a8e879
K7GW Riskware ( 0040eff71 )
Cybereason malicious.de69e2
Cyren W32/Quervar.A!gen
Symantec Trojan.Exprez.B
ESET-NOD32 a variant of Win32/Kryptik.AMCG
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Dorifel.b
BitDefender Gen:Variant.Quervar.1
NANO-Antivirus Trojan.Win32.Dorifel.bbsrur
MicroWorld-eScan Gen:Variant.Quervar.1
Tencent Malware.Win32.Gencirc.10c4d2c8
Ad-Aware Gen:Variant.Quervar.1
Sophos ML/PE-A + Mal/Palevo-B
Comodo TrojWare.Win32.Lethic.DZA@5s4u8n
BitDefenderTheta Gen:NN.ZexaF.34670.BCZ@a4hxtrci
VIPRE Trojan.Win32.Rimecud.d (v)
TrendMicro PE_QUERVAR.E
McAfee-GW-Edition BehavesLike.Win32.Ransomware.gt
FireEye Generic.mg.a5420b5de69e29f1
Emsisoft Gen:Variant.Quervar.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Dorifel.l
Avira TR/Crypt.XPACK.Gen3
eGambit Unsafe.AI_Score_77%
Microsoft Virus:Win32/Quervar.gen!B
Arcabit Trojan.Quervar.1
ZoneAlarm Trojan-Ransom.Win32.Dorifel.b
GData Gen:Variant.Quervar.1
Acronis suspicious
McAfee W32/XDocCrypt.g
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1001
Panda Generic Suspicious
TrendMicro-HouseCall PE_QUERVAR.E
Rising Virus.Quervar!8.58D (CLOUD)
Yandex Trojan.GenAsa!/6hMr3jk3q0
Ikarus Trojan-Ransom.Dorifel
Fortinet W32/Generic.AP.D5C64!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Worm.Dorifel.HxMBEpsA

How to remove Virus:Win32/Quervar!B?

  • 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.

Share
Published by
Paul Valéry

Recent Posts

How to remove “Trojan:WinNT/Percol.A”?

The Trojan:WinNT/Percol.A is considered dangerous by lots of security experts. When this infection is active,…

2 mins ago

Malware.AI.4236375263 removal guide

The Malware.AI.4236375263 is considered dangerous by lots of security experts. When this infection is active,…

18 mins ago

Trojan:Win64/Midie.NM!MTB malicious file

The Trojan:Win64/Midie.NM!MTB is considered dangerous by lots of security experts. When this infection is active,…

38 mins ago

Virus:Win32/Patchload.A removal

The Virus:Win32/Patchload.A is considered dangerous by lots of security experts. When this infection is active,…

39 mins ago

Go For Files (PUA) information

The Go For Files (PUA) is considered dangerous by lots of security experts. When this…

1 hour ago

About “TrojanDownloader:Win32/VB.ZJ” infection

The TrojanDownloader:Win32/VB.ZJ is considered dangerous by lots of security experts. When this infection is active,…

1 hour ago