Categories: Backdoor

Should I remove “Backdoor:Win32/Mirai.A”?

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

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX

How to determine Backdoor:Win32/Mirai.A?


File Info:

crc32: 2889DE99md5: d9c32681d65c18d9955f5db42154a0f3name: u.exesha1: 4678e87a393fedeed58c2a151efef17e221b161fsha256: c2ef46a1b6292f28c0caf08013577e8559c4b0a71bf6fc058968061a3d71ede2sha512: cf06c8d4b97dfc33f45d854db4d9a94a8f652e6f25b642ff54846f05f83f033960174253cfd932a251850db0af021c356e6e2244f218360941dd36cdf5f2822dssdeep: 768:uBjqgvACIryYcS8s3AslF+1kcyIFRg7zP1rMIo:ZCYrP+1kRIFRuPRMIotype: PE32 executable (console) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: 2016InternalName: MyFileVersion: 1.0.0.1CompanyName: OrgsPrivateBuild: LegalTrademarks: Comments: ProductName: Orgs psSpecialBuild: ProductVersion: 1.0.0.1FileDescription: MyOriginalFilename: ps.exeTranslation: 0x0400 0x04b0

Backdoor:Win32/Mirai.A also known as:

DrWeb Trojan.DnsChange.10846
MicroWorld-eScan Gen:Variant.Graftor.632444
FireEye Generic.mg.d9c32681d65c18d9
CAT-QuickHeal Trojan.Mauvaise.SL1
Qihoo-360 Win32/Trojan.2ff
McAfee RDN/Generic BackDoor
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0000a4ad1 )
BitDefender Gen:Variant.Graftor.632444
K7GW Trojan ( 005606201 )
Cybereason malicious.a393fe
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34090.cmKfayaZ0aeb
Symantec Trojan Horse
APEX Malicious
Paloalto generic.ml
GData Gen:Variant.Graftor.632444
Kaspersky Trojan-Downloader.Win32.WannaMine.g
Alibaba TrojanDownloader:Win32/WannaMine.25e0450e
NANO-Antivirus Trojan.Win32.DnsChange.gkqfxb
ViRobot Trojan.Win32.Z.Graftor.38400
Tencent Malware.Win32.Gencirc.10b863f0
Endgame malicious (moderate confidence)
Sophos Troj/Myking-B
Comodo Malware@#3fvsmxb1h561f
F-Secure Trojan.TR/Spy.Gen
Zillya Trojan.Agent.Win32.1208856
TrendMicro TROJ_GEN.R020C0DL119
McAfee-GW-Edition RDN/Generic BackDoor
Trapmine malicious.high.ml.score
Emsisoft Trojan.Agent (A)
Ikarus Trojan.Win32.Agent
Cyren W32/Trojan.LEGL-8209
Jiangmin TrojanDownloader.WannaMine.a
Webroot W32.Malware.gen
Avira TR/Spy.Gen
Antiy-AVL Trojan[Downloader]/Win32.WannaMine
Arcabit Trojan.Graftor.D9A67C
ZoneAlarm Trojan-Downloader.Win32.WannaMine.g
Microsoft Backdoor:Win32/Mirai.A
AhnLab-V3 Malware/Win32.Generic.C1911290
Acronis suspicious
ALYac Trojan.DNSChanger
MAX malware (ai score=100)
VBA32 BScope.Trojan.DnsChange
Malwarebytes Adware.Elex
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Agent.TZB
TrendMicro-HouseCall TROJ_GEN.R020C0DL119
Rising Trojan.Agent!1.A984 (CLOUD)
Yandex Trojan.DL.WannaMine!
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Agent.TZB!tr
Ad-Aware Gen:Variant.Graftor.632444
AVG FileRepMalware
Avast Win32:Trojan-gen
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.74721527.susgen

How to remove Backdoor:Win32/Mirai.A?

  • 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.
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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