Backdoor

Backdoor:Win32/Coroxy.A malicious file

Malware Removal

The Backdoor:Win32/Coroxy.A 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/Coroxy.A virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Authenticode signature is invalid
  • Attempts to modify desktop wallpaper
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • CAPE detected the MiniTor malware family
  • Creates a copy of itself

How to determine Backdoor:Win32/Coroxy.A?


File Info:

name: 77655E2B7AD71B6B79AB.mlw
path: /opt/CAPEv2/storage/binaries/b13558ee35b1303dc8a24fc8e417fc95d71c2c7f6f4894597ec7a82e4a730e00
crc32: 692660CF
md5: 77655e2b7ad71b6b79abd742ffdb727c
sha1: cfa90262058c16b7fb097dca9b5eff3d76f94480
sha256: b13558ee35b1303dc8a24fc8e417fc95d71c2c7f6f4894597ec7a82e4a730e00
sha512: b48d5ad74825e23143f9905297291a2d36b4f6196270ba9eabbf83c2f0ff85536b14fee6af361a1136d0e6afbedae26ee25859178ef6e5591a354d9cedcea9b1
ssdeep: 768:4TwkPr8C6fuFdaAna6DCPt34GuYY92rjnPoJlYcaFI1:MV8C6fuFdaz6+O1n2rjnPo7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1EEE2E7263450A6B1D4918AF03A5EA794C9BE78378266E48DFFE09F1436B1DD7E706203
sha3_384: eefc06bf61caf8d13c52bcae45a131a286b63aded3143f8231669b78c910f7c4db9f074695e8d52c7da5681850fbedc6
ep_bytes: 558bec81c4f0fbffff8d4d002bcc518d
timestamp: 2020-08-11 03:49:48

Version Info:

0: [No Data]

Backdoor:Win32/Coroxy.A also known as:

BkavW32.AIDetect.malware2
tehtrisGeneric.Malware
CynetMalicious (score: 100)
FireEyeGeneric.mg.77655e2b7ad71b6b
McAfeeGenericRXMG-BK!77655E2B7AD7
CylanceUnsafe
ZillyaTrojan.Coroxy.Win32.42
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005690c81 )
K7GWTrojan ( 005690c81 )
Cybereasonmalicious.b7ad71
VirITTrojan.Win32.Spynet.BT
CyrenW32/Occamy.AD.gen!Eldorado
SymantecBackdoor.SystemBC
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Coroxy.C
APEXMalicious
KasperskyHEUR:Trojan-Proxy.Win32.Sybici.vho
BitDefenderDropped:Generic.Malware.F!dld!.8A56E4EB
NANO-AntivirusTrojan.Win32.Sybici.hsjdkb
MicroWorld-eScanDropped:Generic.Malware.F!dld!.8A56E4EB
AvastWin32:CrypterX-gen [Trj]
Ad-AwareDropped:Generic.Malware.F!dld!.8A56E4EB
SophosML/PE-A + Troj/Coroxy-A
DrWebTrojan.Spynet.45
VIPREDropped:Generic.Malware.F!dld!.8A56E4EB
TrendMicroTrojan.Win32.COROXY.SMYXBC3A
McAfee-GW-EditionBehavesLike.Win32.Generic.nm
Trapminemalicious.high.ml.score
EmsisoftDropped:Generic.Malware.F!dld!.8A56E4EB (B)
IkarusTrojan-Spy.Win32.Zbot
GDataDropped:Generic.Malware.F!dld!.8A56E4EB
AviraTR/Crypt.XPACK.Gen2
Antiy-AVLTrojan/Generic.ASMalwS.6F88
ArcabitGeneric.Malware.F!dld!.8A56E4EB
MicrosoftBackdoor:Win32/Coroxy.A
AhnLab-V3Trojan/Win32.Agent.R299398
Acronissuspicious
VBA32BScope.TrojanProxy.Sybici
ALYacDropped:Generic.Malware.F!dld!.8A56E4EB
MAXmalware (ai score=83)
MalwarebytesTrojan.Coroxy
TrendMicro-HouseCallTrojan.Win32.COROXY.SMYXBC3A
RisingTrojan.Generic@AI.100 (RDML:27JzOLTaorlSXLlUl48VNw)
YandexTrojan.Coroxy!FKQSDvf86Uc
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.104545701.susgen
FortinetW32/Coroxy.A!tr
BitDefenderThetaGen:NN.ZexaF.34806.bqW@ayuS6ak
AVGWin32:CrypterX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_70% (D)

How to remove Backdoor:Win32/Coroxy.A?

Backdoor:Win32/Coroxy.A 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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