Malware

What is “W32/Xolxo-B”?

Malware Removal

The W32/Xolxo-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

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.
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What W32/Xolxo-B virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • The binary contains an unknown PE section name indicative of packing
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine W32/Xolxo-B?


File Info:

name: 3EF531F0BC826D877CE7.mlw
path: /opt/CAPEv2/storage/binaries/ffa84f57d4c52bc9858bc7cf6de877cd8357c9eb1f4d1db475d60c954f8843af
crc32: D8B6A07E
md5: 3ef531f0bc826d877ce7f40c2e6169d5
sha1: 7fb1f55d647fa7f6567bad5cc2d0d083cad30dbb
sha256: ffa84f57d4c52bc9858bc7cf6de877cd8357c9eb1f4d1db475d60c954f8843af
sha512: 40439142023cd257c8ecb93653d5b149df57133ee15d1b7edd560ef9d7044c4f9256ae583f2ad50a9731bb2547d4a4bc7d59e860c56f7a71d2911064e34adcb8
ssdeep: 49152:gtL2tLH5k1YCdptya507NUUWn043oHS3fTZYwVq1/xT3DDbwwTU+ey:gV2V7NhS9Yw8Oa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F7E56D17B3F941D8F0AAE274D7354632DA72BC528B34B5DF129052291E77EE05B38B22
sha3_384: adaa16b2162ac5a0f7e210ab6659f8b49d828bcebdc16daab3c088a8f0c3476399655984de2f0ce813c755da26b9b2a0
ep_bytes: 558bec83c4f0b838464000e874e2ffff
timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

W32/Xolxo-B also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.79273
FireEyeGeneric.mg.3ef531f0bc826d87
CAT-QuickHealWorm.DelfPMF.S30896276
SkyhighBehavesLike.Win32.Generic.wh
ALYacTrojan.GenericKDZ.79273
MalwarebytesGeneric.Trojan.Delf.DDS
ZillyaWorm.Delf.Win32.3450
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0053c5661 )
K7GWTrojan ( 0053c5661 )
Cybereasonmalicious.d647fa
ArcabitTrojan.Generic.D135A9
BaiduWin32.Virus.Lamer.f
SymantecW32.SillyP2P
tehtrisGeneric.Malware
ESET-NOD32Win32/Delf.NAY
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Ransomware.Lazy-9977955-0
KasperskyP2P-Worm.Win32.Delf.aj
BitDefenderTrojan.GenericKDZ.79273
NANO-AntivirusTrojan.Win32.Delf.oxkq
AvastWin32:Delf-SVI [Trj]
TencentVirus.Win32.Lamer.fh
EmsisoftTrojan.GenericKDZ.79273 (B)
F-SecureTrojan.TR/Dropper.Gen
DrWebWin32.HLLW.Kazaa.924
VIPRETrojan.GenericKDZ.79273
TrendMicroTROJ_AGENT_005911.TOMB
Trapminemalicious.high.ml.score
SophosW32/Xolxo-B
IkarusWorm.Win32.Eggnog
JiangminWorm/Delf.vm
WebrootW32.Worm.Gen
VaristW32/Delf.QB.gen!Eldorado
AviraTR/Dropper.Gen
Antiy-AVLVirus/Win32.BagarBubba.a
XcitiumTrojWare.Win32.Pincav.AV@2rw0ny
MicrosoftWorm:Win32/Xolxo.A
ZoneAlarmP2P-Worm.Win32.Delf.aj
GDataTrojan.GenericKDZ.79273
GoogleDetected
AhnLab-V3Worm/Win32.Delf.R119214
Acronissuspicious
McAfeeW32/HLLP.11042.gen
MAXmalware (ai score=88)
VBA32Worm.Delf
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_AGENT_005911.TOMB
RisingWorm.P2p.Win32.Delf.bn (CLASSIC)
YandexTrojan.GenAsa!HYSjiRN/8Mk
SentinelOneStatic AI – Malicious PE
MaxSecureVirus.W32.Lamer.FG
FortinetW32/Aple.A
BitDefenderThetaGen:NN.ZelphiF.36792.jpZ@auciUnn
AVGWin32:Delf-SVI [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (W)

How to remove W32/Xolxo-B?

W32/Xolxo-B 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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