Categories: SpyTrojan

About “TrojanSpy:Win32/Tefosteal.C” infection

The TrojanSpy:Win32/Tefosteal.C 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 TrojanSpy:Win32/Tefosteal.C virus can do?

  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • Starts servers listening on 0.0.0.0:5650, :0
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates a copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

rmansys.ru
rms-server.tektonit.ru

How to determine TrojanSpy:Win32/Tefosteal.C?


File Info:

crc32: B4BB750Cmd5: 538113e9711446351217d1d2b93b1885name: 18f6a2298933cf44.exesha1: 6fc25abd2a7e1e15113eea2105349065681b1c27sha256: cb2a2be7c24e35bafb85bcdb05e19c108452630f54719e2134339df59e9aa060sha512: c3e20b52373785549dfa269b692fa007aa0cede221e95f705b33d4a36a54e6cbfdf3c1831c11e2c3035aab7f171e152e6a14cc0913916965f8e12a789ffdf49fssdeep: 196608:dPfaOYMRlp30bgwOGcjwppBR5dgI8H++:dKhMRlN0bgXGGwpj5gI8etype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanSpy:Win32/Tefosteal.C also known as:

MicroWorld-eScan Gen:Variant.Graftor.247193
FireEye Generic.mg.538113e971144635
CAT-QuickHeal Trojan.Dynamer.S239831
McAfee GenericRXBV-FW!538113E97114
Cylance Unsafe
Zillya Trojan.RA.Win32.52
Sangfor Malware
K7AntiVirus Trojan ( 004c3fe61 )
BitDefender Gen:Variant.Graftor.247193
Cybereason malicious.971144
APEX Malicious
GData Gen:Variant.Graftor.247193
Kaspersky HEUR:Backdoor.Win32.Generic
NANO-Antivirus Trojan.Win32.Reconyc.ejtcsm
Avast Win32:Malware-gen
Rising Malware.Heuristic!ET#100% (RDMK:cmRtazpsrT114GGKMALBHWF+djga)
Endgame malicious (high confidence)
Emsisoft Gen:Variant.Graftor.247193 (B)
F-Secure Heuristic.HEUR/AGEN.1005908
DrWeb Trojan.Siggen6.60941
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.AdwareIMonster.vc
Trapmine malicious.high.ml.score
Ikarus Trojan-Downloader.Win32.Banload
Webroot W32.Adware.Gen
Avira HEUR/AGEN.1005908
MAX malware (ai score=85)
Arcabit Trojan.Graftor.D3C599
ZoneAlarm HEUR:Backdoor.Win32.Generic
Microsoft TrojanSpy:Win32/Tefosteal.C
AhnLab-V3 Trojan/Win32.Fuerboos.R232927
Acronis suspicious
VBA32 BScope.Trojan.Fuerboos
ALYac Gen:Variant.Graftor.247193
Ad-Aware Gen:Variant.Graftor.247193
Malwarebytes Trojan.Banload
ESET-NOD32 a variant of Win32/RA-based.NCG
Tencent Malware.Win32.Gencirc.10b3b5fa
SentinelOne DFI – Malicious PE
Fortinet W32/RABased.RFCL!tr
BitDefenderTheta Gen:NN.ZelphiF.34084.@JW@a4rNC3jc
AVG Win32:Malware-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove TrojanSpy:Win32/Tefosteal.C?

  • 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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