Malware

Win32/RA-based.NCG removal instruction

Malware Removal

The Win32/RA-based.NCG 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 Win32/RA-based.NCG virus can do?

  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Win32/RA-based.NCG?


File Info:

crc32: 82C67E8E
md5: c868ed63d0a3667bcc78e15c0e9216e6
name: 8a7b08a2fe0abd33.exe
sha1: d7b1f6a519c81ae7db5b5d18b26252e049bfe502
sha256: 9c7b164a8dfcf5376a73d9b1bd1a0ce574710a78b0faf412f746034e943da827
sha512: 8e4f07215a1e8fec3ade29496170302eaf569c5eaadb90e6e32aebe2200cb7041c68d3a9037be5ea2e059b77654aed517d5fdaa61da42cffbc9ea7bf2c526342
ssdeep: 196608:UPfarYMRlp30bgwOGcjwppBR5dgI8H++:UKMMRlN0bgXGGwpj5gI8e
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/RA-based.NCG also known as:

BkavW32.AIDetectVM.malware
MicroWorld-eScanGen:Variant.Graftor.247193
CAT-QuickHealTrojan.Dynamer.S239831
Qihoo-360Win32/Backdoor.d55
ALYacGen:Variant.Graftor.247193
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.4!c
SangforMalware
K7AntiVirusTrojan ( 004c3fe61 )
BitDefenderGen:Variant.Graftor.247193
K7GWTrojan ( 004c3fe61 )
Cybereasonmalicious.3d0a36
APEXMalicious
Paloaltogeneric.ml
GDataGen:Variant.Graftor.247193
KasperskyHEUR:Backdoor.Win32.Generic
AlibabaTrojanSpy:Win32/Tefosteal.bdf4e836
NANO-AntivirusTrojan.Win32.Reconyc.ejtcsm
AvastWin32:Malware-gen
TencentMalware.Win32.Gencirc.10b3b5fa
Ad-AwareGen:Variant.Graftor.247193
SophosMal/Generic-S
ComodoMalware@#nkmh6p2b3hwu
F-SecureHeuristic.HEUR/AGEN.1005908
DrWebTrojan.Siggen6.60941
ZillyaTrojan.RA.Win32.52
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Dropper.vc
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.c868ed63d0a3667b
EmsisoftGen:Variant.Graftor.247193 (B)
SentinelOneDFI – Suspicious PE
WebrootW32.Adware.Gen
AviraHEUR/AGEN.1128387
Antiy-AVLTrojan/Win32.Scar
Endgamemalicious (high confidence)
ArcabitTrojan.Graftor.D3C599
ZoneAlarmHEUR:Backdoor.Win32.Generic
MicrosoftTrojanSpy:Win32/Tefosteal.C
AhnLab-V3Trojan/Win32.Fuerboos.R232927
Acronissuspicious
McAfeeGenericRXBV-FW!C868ED63D0A3
MAXmalware (ai score=100)
VBA32BScope.Trojan.Fuerboos
MalwarebytesTrojan.Banload
ESET-NOD32a variant of Win32/RA-based.NCG
RisingBackdoor.Generic!8.CE (CLOUD)
YandexTrojan.RA-based!xSvX0zupCbM
IkarusTrojan-Downloader.Win32.Banload
FortinetW32/RABased.RFCL!tr
BitDefenderThetaGen:NN.ZelphiF.34106.@JW@a0SwgNkc
AVGWin32:Malware-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.7175197.susgen

How to remove Win32/RA-based.NCG?

Win32/RA-based.NCG 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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