Worm

Should I remove “Worm.Sfone.A3”?

Malware Removal

The Worm.Sfone.A3 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 Worm.Sfone.A3 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • A potential decoy document was displayed to the user
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Harvests information related to installed mail clients

Related domains:

www.bing.com
ocsp.digicert.com
crl3.digicert.com

How to determine Worm.Sfone.A3?


File Info:

crc32: F8E83649
md5: 27ea1e5d168964e38aeb191aec3befc6
name: 27EA1E5D168964E38AEB191AEC3BEFC6.mlw
sha1: 0a81062c05684604491e4866f31848ca9704b8bc
sha256: 8b2e1ed51e89e59112496b4a3343c78a33de9265c926c5a3a56b79ef0b46126c
sha512: 66585a6a4847df566e4649017acd2b492d568061370367d6a2c9f073388a3da79154ab2f8f17b7645ab4d447c2dd7f7b0bed02f86a8062fb024eec9451b410eb
ssdeep: 3072:0jbLl/gv/g2NpK1Tj4mYWR/R4nkPR/1aVuyJNlyeOBUR2De:0jlu/g40Io5R4nM/40yJNlT+Re
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Worm.Sfone.A3 also known as:

BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop15.57947
MicroWorld-eScanTrojan.GenericKDZ.70799
FireEyeGeneric.mg.27ea1e5d168964e3
CAT-QuickHealWorm.Sfone.A3
ALYacTrojan.GenericKDZ.70799
CylanceUnsafe
VIPREWorm.Win32.Agent.cp (v)
SangforMalware
K7AntiVirusTrojan ( 0051918e1 )
BitDefenderTrojan.GenericKDZ.70799
K7GWTrojan ( 0051918e1 )
Cybereasonmalicious.d16896
BitDefenderThetaAI:Packer.58DC334D1E
CyrenW32/S-0f565bfc!Eldorado
SymantecW32.SillyWNSE
APEXMalicious
AvastWin32:Agent-URR [Trj]
ClamAVWin.Malware.D46e2dc-6911509-0
KasperskyHEUR:Worm.Win32.Generic
NANO-AntivirusTrojan.Win32.Wofith.hzygna
TencentMalware.Win32.Gencirc.10b07aee
Ad-AwareTrojan.GenericKDZ.70799
TACHYONWorm/W32.FakePorn.Zen
SophosTroj/Agent-BFWE
F-SecureTrojan.TR/Crypt.ULPM.Gen
BaiduWin32.Worm.Agent.fj
InvinceaML/PE-A + Troj/Agent-BFWE
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
EmsisoftTrojan.GenericKDZ.70799 (B)
IkarusWorm.Win32.Agent
GDataTrojan.GenericKDZ.70799
JiangminWorm.Agent.tt
AviraTR/Crypt.ULPM.Gen
Antiy-AVLGrayWare/Win32.Agent.CP
ArcabitTrojan.Generic.D1148F
ZoneAlarmHEUR:Worm.Win32.Generic
MicrosoftWorm:Win32/Sfone
CynetMalicious (score: 100)
AhnLab-V3Worm/Win32.Agent.R234001
Acronissuspicious
McAfeeArtemis!27EA1E5D1689
MAXmalware (ai score=88)
VBA32Worm.Agent
MalwarebytesWorm.Agent.666
ESET-NOD32Win32/Agent.CP
RisingWorm.Agent!1.CEBD (CLASSIC)
YandexTrojan.GenAsa!yTn6LLlAQA4
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_100%
FortinetW32/Agent.CP!worm
AVGWin32:Agent-URR [Trj]
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360HEUR/QVM18.1.5625.Malware.Gen

How to remove Worm.Sfone.A3?

Worm.Sfone.A3 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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