Should I remove “Worm.Win32.Rikihaki.sc”?

The Worm.Win32.Rikihaki.sc 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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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.Win32.Rikihaki.sc virus can do?

Sample contains Overlay data
Authenticode signature is invalid
Installs itself for autorun at Windows startup
Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Worm.Win32.Rikihaki.sc?


File Info:
name: 43A81FE614681FD706FC.mlw
path: /opt/CAPEv2/storage/binaries/70fdd06cc0f7c8187921cf8c5814e70ed4792248249664e7a58e1a69da4f0e3e
crc32: 30BA5E0B
md5: 43a81fe614681fd706fca9f13c3d095a
sha1: 3a69cf903ae3a859ba0f25bd9ab9dc2d25b3a63d
sha256: 70fdd06cc0f7c8187921cf8c5814e70ed4792248249664e7a58e1a69da4f0e3e
sha512: 829efaf26be2e91f52ff650205ca3bb8089b9a923470c42652d0a98bbb4b879b9e3283a0b74daa07a03d02f33ced1fca17fb87caae74382c02ef80c91ca1084d
ssdeep: 6144:xNy6C9RJUctGMiK+AbehLQq2UM7Je4kv0HO883Si5/0f:NcyLhLR2UM7A4S0S3S0/0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T121A47E10F662D035F0A302F68EBA82F4A9347E70077944C777D46AAE6B686E4ED35713
sha3_384: 26b811373a4a814c2f8ae5ffad70c9d5762b0a1111c8f275e4a0baf7297439bb7f8857fdbb29c16c2f2e52493e1fc0d0
ep_bytes: 558bece8d82a0100e8030000005dc3cc
timestamp: 2014-06-16 11:09:27

Version Info:
0: [No Data]

Worm.Win32.Rikihaki.sc also known as:

Bkav	W32.AIDetectMalware
MicroWorld-eScan	Gen:Variant.Backdoor.ShadowWali.1
FireEye	Generic.mg.43a81fe614681fd7
CAT-QuickHeal	Worm.Rikihaki.A4
McAfee	W32/Worm-FYO!43A81FE61468
Malwarebytes	Generic.Malware.AI.DDS
VIPRE	Gen:Variant.Backdoor.ShadowWali.1
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 00023ea01 )
K7GW	Trojan ( 00023ea01 )
Cybereason	malicious.614681
Arcabit	Trojan.Backdoor.ShadowWali.1
Baidu	Win32.Worm.Agent.fw
VirIT	Trojan.Win32.Agent4.BXTR
Cyren	W32/S-4112289e!Eldorado
Symantec	Trojan.Tinba
Elastic	malicious (high confidence)
ESET-NOD32	Win32/Agent.NPZ
APEX	Malicious
Kaspersky	Worm.Win32.Rikihaki.sc
BitDefender	Gen:Variant.Backdoor.ShadowWali.1
NANO-Antivirus	Trojan.Win32.KillFiles.didhhl
SUPERAntiSpyware	Trojan.Agent/Gen-Crypt
Avast	Win32:Evo-gen [Trj]
Tencent	Worm.Win32.Agent.zbi
Sophos	Mal/Zusy-A
F-Secure	Heuristic.HEUR/AGEN.1319328
DrWeb	Trojan.MulDrop22.47107
Zillya	Worm.Agent.Win32.109721
TrendMicro	WORM_RIKIHAKI.SM
McAfee-GW-Edition	BehavesLike.Win32.Downloader.gh
Trapmine	suspicious.low.ml.score
Emsisoft	Gen:Variant.Backdoor.ShadowWali.1 (B)
Ikarus	Worm.Win32.Agent
Google	Detected
Avira	HEUR/AGEN.1319328
MAX	malware (ai score=80)
Antiy-AVL	Worm/Win32.Rikihaki
Xcitium	Worm.Win32.Rikihaki.A@5sbndo
Microsoft	Worm:Win32/Rikihaki.A
ZoneAlarm	Worm.Win32.Rikihaki.sc
GData	Win32.Worm.Rikihaki.A
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Agent.R148972
BitDefenderTheta	AI:Packer.0585414E1F
ALYac	Gen:Variant.Backdoor.ShadowWali.1
VBA32	BScope.Trojan.KillFiles
Cylance	unsafe
Panda	Trj/Genetic.gen
TrendMicro-HouseCall	WORM_RIKIHAKI.SM
Rising	Worm.Rikihaki!1.A2F0 (CLASSIC)
Yandex	Worm.Rikihaki!KPeIKXFn2SA
SentinelOne	Static AI – Suspicious PE
Fortinet	W32/Agent.NQD!worm
AVG	Win32:Evo-gen [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)

How to remove Worm.Win32.Rikihaki.sc?

Worm.Win32.Rikihaki.sc 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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