Categories: Trojan

Trojan:Win32/Tepfer.RB!MTB removal instruction

The Trojan:Win32/Tepfer.RB!MTB 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:Win32/Tepfer.RB!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/Tepfer.RB!MTB?


File Info:

name: BFD5CBCDAA807E63D1AA.mlwpath: /opt/CAPEv2/storage/binaries/e5b0c09aca21c71d1f7cbd9a8355b0f6eaf0fbbd4221ff4f01468cf00cad4bc0crc32: 0C7F5C28md5: bfd5cbcdaa807e63d1aa2efd595ae8d8sha1: 2e9405f37fa9dd48ee620b40dd8c039dd0e349casha256: e5b0c09aca21c71d1f7cbd9a8355b0f6eaf0fbbd4221ff4f01468cf00cad4bc0sha512: b4aa2293202ba9d2c39c04e2439fd617e5c778a53ec17b6264ef55d99b4fbb6ce33fc5e4c818d34c658bd9eb3d9f227310374ea2fb86f882e476c6e8e73f38a9ssdeep: 49152:Q5zPW4LsAmH0FNAodiHLqLcDr956x0pt89OEGAG5cn:Q5KWsAmGNA2OFDr956+HXcntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11295330555F7A53CE822C9B28DFAD034EC3BBA2278BE495E331C5B4DAD374D60D58292sha3_384: ec4755dd2caf0cbd5fea15be8316482e3af4fdeba4466e64e6c67cb82e0258f5e0634b581b54263e4edaeee8ee56c6f6ep_bytes: 558bec83c4d453565733c08945f08945timestamp: 1992-06-19 22:22:17

Version Info:

Comments: This installation was built with Inno Setup: http://www.innosetup.comCompanyName: FileDescription: Rec513 Setup FileVersion: InternalName: OriginalFilename: ProductName: ProductVersion: Translation: 0x0409 0x04e4

Trojan:Win32/Tepfer.RB!MTB also known as:

Lionic Trojan.Win32.GCleaner.4!c
MicroWorld-eScan Gen:Variant.Jaik.148652
FireEye Gen:Variant.Jaik.148652
McAfee Artemis!BFD5CBCDAA80
Cylance unsafe
Sangfor Downloader.Win32.Gcleaner.Vl18
K7AntiVirus Trojan ( 005722f11 )
Alibaba TrojanDownloader:Win32/GCleaner.80a1041b
K7GW Trojan ( 005722f11 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/ABRisk.PNIO-1500
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.SLC
Cynet Malicious (score: 99)
Kaspersky Trojan-Downloader.Win32.GCleaner.gls
BitDefender Gen:Variant.Jaik.148652
ViRobot Trojan.Win.Z.Jaik.2055211
Avast Win32:Trojan-gen
Tencent Win32.Trojan-Downloader.Gcleaner.Rsmw
Emsisoft Gen:Variant.Jaik.148652 (B)
F-Secure Trojan.TR/AD.Nekark.ylbii
VIPRE Gen:Variant.Jaik.148652
TrendMicro TROJ_GEN.R03BC0XER23
McAfee-GW-Edition BehavesLike.Win32.ObfuscatedPoly.tc
Trapmine suspicious.low.ml.score
Sophos Mal/Generic-S
Ikarus Trojan-Dropper.Win32.Agent
GData Gen:Variant.Jaik.148652
Jiangmin Trojan.Ekstak.chpv
Webroot W32.Malware.Gen
Avira TR/AD.Nekark.ylbii
Arcabit Trojan.Jaik.D244AC
ZoneAlarm Trojan-Downloader.Win32.GCleaner.gls
Microsoft Trojan:Win32/Tepfer.RB!MTB
AhnLab-V3 Trojan/Win.Malware-gen.R569293
ALYac Gen:Variant.Jaik.148652
MAX malware (ai score=84)
Malwarebytes Agent.Trojan.Dropper.DDS
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R03BC0XER23
MaxSecure Trojan.Malware.165313645.susgen
Fortinet W32/Agent.SLC!tr
AVG Win32:Trojan-gen
DeepInstinct MALICIOUS

How to remove Trojan:Win32/Tepfer.RB!MTB?

  • 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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