Trojan:WinNT/Sirefef.J removal tips

The Trojan:WinNT/Sirefef.J 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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What Trojan:WinNT/Sirefef.J virus can do?

Sample contains Overlay data
The binary contains an unknown PE section name indicative of packing
The binary likely contains encrypted or compressed data.
Authenticode signature is invalid

How to determine Trojan:WinNT/Sirefef.J?


File Info:
name: 2C1096CC6EDD506FE40C.mlw
path: /opt/CAPEv2/storage/binaries/d74f6204d15d3e103bc8ebc66c0aec9cbcb61a373298ef3de2b7aeaf81d4dd83
crc32: 195A6763
md5: 2c1096cc6edd506fe40c3085e6e1cf63
sha1: 16e7f0db65d42511f253783a74dc11ad4d4ed066
sha256: d74f6204d15d3e103bc8ebc66c0aec9cbcb61a373298ef3de2b7aeaf81d4dd83
sha512: 6c3c97194322b29c6d58b86a46f466385a31c6a7ccf330f54390b513c1e60e9fbe10819081c15d918ea93d7f5976dead3a8df8418a401388eab0f9938c6e04f3
ssdeep: 1536:z7gwxhaXv8UFXATwbkr9LXP+Yp1A5Trfi/:Zg/cTwoZ1Gf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1DA538C5CE5E89644E3F63E3C3A7915208CAA34DDE931A07D4144B75C7EA1F4C9A23367
sha3_384: be8e7c366682fc83dde72c00d503bc9fa712b4c5c032d6dec84e313d35590298bce01538e3258379000e698d145650e5
ep_bytes: 6a00e82c00000085c07425558bec81ec
timestamp: 2005-11-25 13:30:40

Version Info:
0: [No Data]

Trojan:WinNT/Sirefef.J also known as:

Bkav	W32.AIDetectMalware
MicroWorld-eScan	Gen:Variant.Sirefef.56
ClamAV	Win.Trojan.Sirefef-3965
FireEye	Generic.mg.2c1096cc6edd506f
ALYac	Gen:Variant.Sirefef.56
VIPRE	Gen:Variant.Sirefef.56
Sangfor	Suspicious.Win32.Save.a
K7AntiVirus	Trojan ( 0035a3d41 )
K7GW	Trojan ( 0035a3d41 )
Cybereason	malicious.c6edd5
Cyren	W32/Zaccess.E.gen!Eldorado
Symantec	Trojan.Gen.6
Elastic	malicious (high confidence)
ESET-NOD32	Win32/Sirefef.DA
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	Virus.Win32.ZAccess.g
BitDefender	Gen:Variant.Sirefef.56
NANO-Antivirus	Trojan.Win32.ZAccess.dxowck
Avast	Win32:Sirefef-KQ [Rtk]
Tencent	Virus.Win32.ZAccess.tt
Emsisoft	Gen:Variant.Sirefef.56 (B)
F-Secure	Trojan.TR/Rootkit.Gen
DrWeb	BackDoor.Maxplus.24
Zillya	Trojan.ZAccess.Win32.990
TrendMicro	TROJ_AGENT_016816.TOMB
McAfee-GW-Edition	BehavesLike.Win32.Downloader.kc
Trapmine	malicious.moderate.ml.score
Sophos	Troj/ZAccess-BQ
Ikarus	Rootkit.Win32.ZAccess
GData	Gen:Variant.Sirefef.56
Jiangmin	Win32/ZAccess.g
Webroot	w32.malware.gen
Avira	TR/Rootkit.Gen
Xcitium	TrojWare.Win32.Rootkit.ZAccess.CJ@4misk2
Arcabit	Trojan.Sirefef.56
ZoneAlarm	Virus.Win32.ZAccess.g
Microsoft	Trojan:WinNT/Sirefef.J
Google	Detected
AhnLab-V3	Trojan/Win32.Rootkit.R21661
McAfee	ZeroAccess.cj
MAX	malware (ai score=86)
Cylance	unsafe
TrendMicro-HouseCall	TROJ_AGENT_016816.TOMB
Rising	Trojan.Sirefef!8.137 (TFE:3:VwBQ0rS8ADO)
SentinelOne	Static AI – Suspicious PE
MaxSecure	Virus.ZAccess.G
Fortinet	W32/ZAccess.G!tr.rkit
AVG	Win32:Sirefef-KQ [Rtk]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (D)

How to remove Trojan:WinNT/Sirefef.J?

Trojan:WinNT/Sirefef.J removal tool

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.

About the author

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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