Backdoor

Backdoor:Win32/Berbew!pz (file analysis)

Malware Removal

The Backdoor:Win32/Berbew!pz 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 Backdoor:Win32/Berbew!pz virus can do?

  • Sample contains Overlay data
  • Creates an indicator observed in Territorial Disputes report SIG40
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the shellcode get eip malware family
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Backdoor:Win32/Berbew!pz?


File Info:

name: AA9522B55C584C19EFD6.mlw
path: /opt/CAPEv2/storage/binaries/3f4048c88fc0288753a9568a93b66e6d921edc10518c8cec81389cad8fbf3554
crc32: 9763E5DD
md5: aa9522b55c584c19efd6c805337b8baa
sha1: 9274f936e6a409e093fc0f6242e305d42b71fad8
sha256: 3f4048c88fc0288753a9568a93b66e6d921edc10518c8cec81389cad8fbf3554
sha512: 848b6ae79fe3a8775a4a65e8acd9dc172390a46d4c18151b820f612c3ca672d67934629ea1dd992c319b387ff5f0ce2865c8be4838e76e8b4cf93e19f2e52048
ssdeep: 1536:baRDYr8PjsYmHulubwqd6vl6+PIqnjU5YMkhohBE8VGh:mOr8PvlWqnjgUAEQGh
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T189835B3B729807A2CACF0277268E0EC5F31A5DB8136567D25818C3DD13F79295A7BE40
sha3_384: 6b63602128fb3ca3933509649c2658f071ff42a925d2facec6645969b96e8be916c1cf4f3406aa11dd43b57a32b7cd7b
ep_bytes: 9067e800000000909090905890056a3d
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Backdoor:Win32/Berbew!pz also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Berbew.h!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
FireEyeGeneric.mg.aa9522b55c584c19
CAT-QuickHealBackdoor.Berbew.A6.MUE
SkyhighBehavesLike.Win32.Generic.mh
McAfeeGenericRXVP-YB!AA9522B55C58
MalwarebytesGeneric.Malware.AI.DDS
ZillyaTrojan.QukartGen.Win32.2
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005780dd1 )
AlibabaBackdoor:Win32/Berbew.36d
K7GWTrojan ( 005780dd1 )
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderThetaAI:Packer.8C79284021
SymantecBackdoor.Berbew.F
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Spy.Qukart
APEXMalicious
ClamAVWin.Packed.Razy-10010080-0
KasperskyTrojan-Proxy.Win32.Qukart.gen
BitDefenderGen:Trojan.ShellObject.f8X@aaHqO5d
NANO-AntivirusTrojan.Win32.Qukart.fokxzm
MicroWorld-eScanGen:Trojan.ShellObject.f8X@aaHqO5d
AvastWin32:TrojanX-gen [Trj]
TencentTrojan.Win32.Pornoasset.a
TACHYONBackdoor/W32.Padodor
SophosMal/Generic-S
BaiduWin32.Trojan-Spy.Quart.a
F-SecureTrojan.TR/Crypt.ZPACK.Gen2
DrWebTrojan.Siggen13.42746
VIPREGen:Trojan.ShellObject.f8X@aaHqO5d
TrendMicroTROJ_GEN.R002C0DLR23
EmsisoftGen:Trojan.ShellObject.f8X@aaHqO5d (B)
SentinelOneStatic AI – Malicious PE
GDataWin32.Trojan.PSE.1VR6SI3
JiangminTrojanProxy.Qukart.hvmo
VaristW32/S-705d01a1!Eldorado
AviraTR/Crypt.ZPACK.Gen2
Antiy-AVLTrojan[Proxy]/Win32.Qukart.gen
KingsoftWin32.Troj.Undef.a
ArcabitTrojan.ShellObject.ED50C4
ZoneAlarmTrojan-Proxy.Win32.Qukart.gen
MicrosoftBackdoor:Win32/Berbew!pz
GoogleDetected
AhnLab-V3Win-Trojan/Berbew.51712
Acronissuspicious
VBA32BScope.Backdoor.Berbew
ALYacGen:Trojan.ShellObject.f8X@aaHqO5d
MAXmalware (ai score=82)
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_GEN.R002C0DLR23
RisingBackdoor.Berbew!1.AE0A (CLASSIC)
YandexTrojan.PR.Qukart!1QrMZNB6PoQ
IkarusTrojan-Downloader.Win32.Berbew
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.EZNP!tr
AVGWin32:TrojanX-gen [Trj]
Cybereasonmalicious.6e6a40
DeepInstinctMALICIOUS

How to remove Backdoor:Win32/Berbew!pz?

Backdoor:Win32/Berbew!pz 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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