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?

  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Sample contains Overlay data
  • Creates an indicator observed in Territorial Disputes report SIG40
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Binary compilation timestomping detected
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Backdoor:Win32/Berbew!pz?


File Info:

name: A8ACC92B533B1446D1C7.mlw
path: /opt/CAPEv2/storage/binaries/28d44272aaabbf843ff7c3eee22d1a3d50b2baa8dd128428c37809d6b18e7e2c
crc32: 7C82A5A5
md5: a8acc92b533b1446d1c7fd0790ef7627
sha1: 71217ebe43ac2e0e3ffdc0f355757e3061ed9272
sha256: 28d44272aaabbf843ff7c3eee22d1a3d50b2baa8dd128428c37809d6b18e7e2c
sha512: adc8eb63c74a5cf5171f14fe103cf2460cabe6f738a62121287d35cc1a8723ba5c06bb435819c4a5d50a64e2f23988a5da67114f5bf0aa33811d105d17f51076
ssdeep: 1536:YovWCF6dwud5DHPFMTxprQjILQ9FKGXllUDtM60TD4ruhiZlrQIFiglF9xZ95Q:Yo+C6d7d5DHuTyKG7UDd0pCrQIFdFtLQ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BCD35C5B76462772C18303B22A4E94CFB72A857B7F6A95E3541880DD3217EF9C37B680
sha3_384: 1fe0f278e13720f463b2ac9c1b061461511f79a2f6bc08bfe16a5899d176026969f869aa26b41cced60ec0c0a756ccb7
ep_bytes: 909090609090b800104000906a049090
timestamp: 2031-10-15 18:29:59

Version Info:

0: [No Data]

Backdoor:Win32/Berbew!pz also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGenPack:Backdoor.Hangup.B
ClamAVWin.Trojan.Crypted-29
FireEyeGeneric.mg.a8acc92b533b1446
SkyhighBehavesLike.Win32.Generic.cm
ALYacGenPack:Backdoor.Hangup.B
MalwarebytesGeneric.Malware.AI.DDS
VIPREGenPack:Backdoor.Hangup.B
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005780dd1 )
K7GWTrojan ( 005780dd1 )
Cybereasonmalicious.e43ac2
ArcabitGenPack:Backdoor.Hangup.B
BitDefenderThetaAI:Packer.3E5D7A3421
VirITWorm.Win32.Berbew.G
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Spy.Qukart
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan-Spy.Win32.Qukart.af
BitDefenderGenPack:Backdoor.Hangup.B
NANO-AntivirusTrojan.Win32.Qukart.iszddq
AvastWin32:TrojanX-gen [Trj]
TencentTrojan-Ransom.Win32.Pornoasset.a
EmsisoftGenPack:Backdoor.Hangup.B (B)
BaiduWin32.Trojan-Spy.Quart.a
F-SecureTrojan.TR/Spy.Qukart.NB
DrWebBackDoor.HangUp.43832
ZillyaTrojan.Qukart.Win32.1944005
Trapminemalicious.high.ml.score
SophosMal/Padodor-A
SentinelOneStatic AI – Malicious PE
JiangminTrojanSpy.Qukart.ahbz
GoogleDetected
AviraTR/Spy.Qukart.NB
MAXmalware (ai score=86)
Antiy-AVLTrojan[Proxy]/Win32.Qukart.gen
Kingsoftmalware.kb.a.1000
MicrosoftBackdoor:Win32/Berbew!pz
ZoneAlarmTrojan-Spy.Win32.Qukart.af
GDataWin32.Trojan.PSE.15MS2TX
VaristW32/Qukart.K.gen!Eldorado
AhnLab-V3Win-Trojan/Berbew.51712
Acronissuspicious
McAfeeTrojan-FVOJ!A8ACC92B533B
TACHYONBackdoor/W32.Padodor
VBA32BScope.Backdoor.Berbew
Cylanceunsafe
PandaTrj/Genetic.gen
RisingBackdoor.Berbew!1.AE0A (CLASSIC)
IkarusTrojan.Spy.Qukart
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.BJQV!tr
AVGWin32:TrojanX-gen [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

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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