Categories: Trojan

TrojanDownloader:Win32/Thoper.B (file analysis)

The TrojanDownloader:Win32/Thoper.B 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 TrojanDownloader:Win32/Thoper.B virus can do?

The binary likely contains encrypted or compressed data.
Authenticode signature is invalid
Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine TrojanDownloader:Win32/Thoper.B?


File Info:
name: 2E605388C7897AA43F68.mlwpath: /opt/CAPEv2/storage/binaries/b54d5413508c02a45a56dc7db5f0362114721b0ca691b3ad4c3a7e854a9a2216crc32: B3AB7702md5: 2e605388c7897aa43f68b78a60657986sha1: dc5a9763f0ef1823688b3feb5473fc8feaafcaf3sha256: b54d5413508c02a45a56dc7db5f0362114721b0ca691b3ad4c3a7e854a9a2216sha512: 75873b6daa46f71a04fef8e567087e5d51ca5ac24794886a52bcc0d40adcf7a0fe537668639fd1c3955ab3597815f79a417ac2d66b3e01067517d09cb7182f34ssdeep: 3072:GmonEdSlpjbim2gWjBWhIr6YJVnxzIqMKB1hWZNmHo:G9di46r6enxzIqzB1votype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T105B38DD6A52CE278D5B16BFF5800337A74D98C348D52C982EFD88AD064F30B8676536Bsha3_384: 8ebaa77003b33fc8a44d61e25810bff07890d476f8cc8ed7e9e2d9acecbaecfe6f853384485ff14278c4adcd70025310ep_bytes: 5356576a00e875ffffff5966357b550atimestamp: 2010-08-25 12:01:43
Version Info:
0: [No Data]

TrojanDownloader:Win32/Thoper.B also known as:

Bkav	W32.AIDetectMalware
Lionic	Trojan.Win32.Inject.m!c
Elastic	malicious (high confidence)
MicroWorld-eScan	Gen:Heur.IPZ.6
FireEye	Generic.mg.2e605388c7897aa4
McAfee	Artemis!2E605388C789
Malwarebytes	Malware.AI.3984473869
VIPRE	Gen:Heur.IPZ.6
Sangfor	Suspicious.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
Alibaba	Backdoor:Win32/Gulpix.1a8395f0
K7GW	Backdoor ( 003ed5c61 )
K7AntiVirus	Backdoor ( 003ed5c61 )
VirIT	Backdoor.Win32.Generic.AXJI
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Agent.RWV
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	Backdoor.Win32.Gulpix.ysr
BitDefender	Gen:Heur.IPZ.6
NANO-Antivirus	Virus.Win32.Gen.ccmw
Avast	Win32:Trojan-gen
Tencent	Win32.Backdoor.Gulpix.Dplw
Emsisoft	Gen:Heur.IPZ.6 (B)
F-Secure	Trojan.TR/Crypt.XPACK.Gen
DrWeb	Trojan.DownLoader7.2206
Zillya	Trojan.Agent.Win32.3653572
TrendMicro	TROJ_GEN.R002C0DHH23
McAfee-GW-Edition	BehavesLike.Win32.Generic.cc
Trapmine	malicious.high.ml.score
Sophos	ML/PE-A
SentinelOne	Static AI – Suspicious PE
GData	Gen:Heur.IPZ.6
Jiangmin	Backdoor/Inject.cni
Webroot	W32.Injector.Gen
Avira	TR/Crypt.XPACK.Gen
MAX	malware (ai score=100)
Antiy-AVL	Trojan[Backdoor]/Win32.Inject
Xcitium	Malware@#33t04d94hn13j
Arcabit	Trojan.IPZ.6
ViRobot	Backdoor.Win32.A.Inject.113152.D
ZoneAlarm	Backdoor.Win32.Gulpix.ysr
Microsoft	TrojanDownloader:Win32/Thoper.B
Google	Detected
BitDefenderTheta	AI:Packer.93F9DD3E1E
ALYac	Gen:Heur.IPZ.6
VBA32	BScope.Trojan-Dropper.Injector
Cylance	unsafe
Panda	Trj/CI.A
TrendMicro-HouseCall	TROJ_GEN.R002C0DHH23
Rising	Trojan.Generic@AI.96 (RDML:eH0AnJ84w+ldjpVwqaM4dQ)
Yandex	Trojan.GenAsa!4CV13xOG8pQ
Ikarus	Worm.Win32.Conficker
MaxSecure	Trojan.Malware.1636128.susgen
Fortinet	W32/Agent.RWV!tr
AVG	Win32:Trojan-gen
Cybereason	malicious.3f0ef1
DeepInstinct	MALICIOUS