Categories: Trojan

TrojanClicker:Win32/Olafre.A removal tips

The TrojanClicker:Win32/Olafre.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 TrojanClicker:Win32/Olafre.A virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Attempts to modify proxy settings
  • Touches a file containing cookies, possibly for information gathering

How to determine TrojanClicker:Win32/Olafre.A?


File Info:

name: 68D776584AE2CA37C6A5.mlwpath: /opt/CAPEv2/storage/binaries/4766053a9fe1c7d4a5e20bb976a027d52c8f3b6afffd5d2d55b3ca5e2d8aa3eecrc32: 70C99CD5md5: 68d776584ae2ca37c6a5350131f1175esha1: 98d8997403df0b14b6b0779a0da6bb8b35935633sha256: 4766053a9fe1c7d4a5e20bb976a027d52c8f3b6afffd5d2d55b3ca5e2d8aa3eesha512: 10f3785bbea3c16a296dadecbc204eb32db942a7a1f23e6b490e5fa45c9da0ac0f365d332bbcb3620a00cb9a9ca8a23bbdd7c2616f103ac5d0c0a9b02ebb9eedssdeep: 12288:pLHULTl4x2z6DmGWT6U3ce/lR9YtD0CT:pTr2ODUhMJ4type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F1A47E32B3E04437D1631E7CDD1B96AC982ABE903D289C863BE41D8D5F39781752B297sha3_384: 27baa3cf16dee698a5454051feb4f60a981d497e75b0e2074bed7e90893d8725c706df4cd00484dd766084b6b3de968bep_bytes: 558bec83c4ec33c08945ecb860d74500timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

TrojanClicker:Win32/Olafre.A also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Midie.143296
ClamAV Win.Trojan.Delf-5198
FireEye Gen:Variant.Midie.143296
Skyhigh BehavesLike.Win32.ObfuscatedPoly.gh
McAfee GenDownloader.d
Cylance unsafe
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanClicker:Win32/Olafre.faa7206f
K7GW Trojan ( 7000000f1 )
K7AntiVirus Trojan ( 7000000f1 )
BitDefenderTheta AI:Packer.A48D435818
VirIT Trojan.Win32.Generic.JYH
Symantec Trojan.Adclicker
ESET-NOD32 Win32/Delf.YS
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Delf.ys
BitDefender Gen:Variant.Midie.143296
NANO-Antivirus Trojan.Win32.Delf.dxprhz
SUPERAntiSpyware Trojan.Agent/Gen-Crypt
Avast Win32:Delf-JAN [Trj]
Tencent Malware.Win32.Gencirc.10b14a2a
Emsisoft Gen:Variant.Midie.143296 (B)
Baidu Win32.Trojan.Delf.gb
F-Secure Trojan.TR/Crypt.CFI.Gen
DrWeb Trojan.Siggen.52989
VIPRE Gen:Variant.Fugrafa.59129
TrendMicro TROJ_AGENT_001853.TOMB
Sophos Mal/Bancos-A
Ikarus Trojan-Dropper.Delf
GData Gen:Variant.Midie.143296
Jiangmin Trojan/Delf.ake
Google Detected
Avira TR/Crypt.CFI.Gen
Antiy-AVL Trojan/Win32.Delf
Kingsoft Win32.Trojan.Delf.ys
Xcitium TrojWare.Win32.TrojanClicker.Agent.~AZD@7j5bb
Arcabit Trojan.Midie.D22FC0
ViRobot Trojan.Win32.Delf.Gen.A
ZoneAlarm Trojan.Win32.Delf.ys
Microsoft TrojanClicker:Win32/Olafre.A
Varist W32/Delf.L.gen!Eldorado
AhnLab-V3 Trojan/Win32.Delf.R1364
ALYac Gen:Variant.Fugrafa.59129
MAX malware (ai score=100)
VBA32 TScope.Trojan.Delf
Malwarebytes Generic.Trojan.Delf.DDS
Panda Adware/Clicker
TrendMicro-HouseCall TROJ_AGENT_001853.TOMB
Rising Trojan.Clicker.Win32.Delf.ie (CLASSIC)
Yandex Trojan.GenAsa!B2ps6gLR/Ps
MaxSecure Trojan.Malware.480537.susgen
Fortinet W32/Delf.YS!tr
AVG Win32:Delf-JAN [Trj]
DeepInstinct MALICIOUS

How to remove TrojanClicker:Win32/Olafre.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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