Categories: Trojan

Trojan.LunarBuilder (file analysis)

The Trojan.LunarBuilder 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 Trojan.LunarBuilder virus can do?

  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Network activity detected but not expressed in API logs

How to determine Trojan.LunarBuilder?


File Info:

crc32: C0797DD5md5: ddf3fd684f553b4686987ec5cf532c20name: DDF3FD684F553B4686987EC5CF532C20.mlwsha1: 085a5f8b6aa7eafaf8b7cd13e8aaf6756fba1db7sha256: a5e43e7a219d301589d65f7dc18997c5b346e34e7d92063f1ed1f10263d34542sha512: b5988a061e33f7a742bb42f55dce0145e1defbe7628819a2337349827408480625cb04eacade19ba2495ee366472cc33555ae227b7286b0c58ff909e322f47bcssdeep: 196608:OcwTiBknYhfr5QILXP8ZV3PpLsExwsJC4Ct99QTKu6yTL+b0X820iwvefJ:dwWCnYRr5QIXU/3PpLsacVH3TyXz08Jtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.LunarBuilder also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader40.28975
Cynet Malicious (score: 100)
ALYac Gen:Variant.Bulz.498769
Zillya Trojan.Agent.Win32.2205396
Cybereason malicious.b6aa7e
Cyren W32/MSIL_Agent.BJO.gen!Eldorado
ESET-NOD32 a variant of MSIL/PSW.Agent.SHS
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
ClamAV Win.Malware.Qshell-9875653-0
Kaspersky HEUR:Trojan.MSIL.Bsymem.gen
BitDefender Gen:Variant.Bulz.498219
NANO-Antivirus Trojan.Win32.Bsymem.ixbuye
MicroWorld-eScan Gen:Variant.Bulz.498219
BitDefenderTheta Gen:NN.ZemsilF.34050.@x0@a0KduBe
TrendMicro TROJ_GEN.R002C0WG921
McAfee-GW-Edition BehavesLike.Win32.Generic.rc
FireEye Generic.mg.ddf3fd684f553b46
Emsisoft Gen:Variant.Bulz.498219 (B)
SentinelOne Static AI – Malicious SFX
Avira TR/Bsymem.ljbcj
Antiy-AVL Trojan/Generic.ASMalwS.342CDC3
Microsoft Program:Win32/Wacapew.C!ml
Arcabit Trojan.Bulz.D79A2B
ZoneAlarm HEUR:Trojan-PSW.MSIL.Disco.gen
GData MSIL.Trojan.PSE.L5PTBX
MAX malware (ai score=85)
Malwarebytes Trojan.LunarBuilder
TrendMicro-HouseCall TROJ_GEN.R002C0WG921
Rising Stealer.Mercurial!1.D7B6 (CLASSIC)
Yandex Trojan.Bsymem!mDdyxyMhr/s
Ikarus Trojan.MSIL.Vmprotect
Fortinet PossibleThreat
AVG Win32:MalwareX-gen [Trj]

How to remove Trojan.LunarBuilder?

  • 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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