lsass.exe

The executable lsass.exe has been detected as malware by 37 anti-virus scanners. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘avpupdt’.
MD5:
e4b583125ebba37b12b21b6241b49c59

SHA-1:
4bad0fda053d8f4c37de3054e92a1f8795f1598e

SHA-256:
d3291b0116078d90bc76b97d6f856a060135cfc51bac8f04e7b4818110ab348a

Scanner detections:
37 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
2/7/2026 2:56:37 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Tyhos.B
-39

Agnitum Outpost
Packed/FSG
7.1.1

AhnLab V3 Security
Win32/Virut.F
2014.06.13

Avira AntiVirus
W32/Virut.Gen
7.11.154.168

avast!
Win32:Virtu-C
2014.9-170315

AVG
Win32/Heur
2018.0.2439

Bitdefender
Win32.Tyhos.B
1.0.20.370

Bkav FE
W32.HfsAutoFA
1.3.0.4959

Comodo Security
Virus.Win32.Virut.Ce
18533

Dr.Web
Win32.Virut
9.0.1.074

Emsisoft Anti-Malware
Win32.Tyhos
8.17.03.15.04

ESET NOD32
Win32/Virut.NBP
11.9939

Fortinet FortiGate
W32/Virut.CE
3/15/2017

F-Prot
W32/Bifrost.Q.gen
v6.4.7.1.166

F-Secure
Win32.Tyhos.B
11.2017-15-03_4

G Data
Win32.Tyhos
17.3.24

IKARUS anti.virus
Virus.Win32.Tyhos
t3scan.1.6.1.0

K7 AntiVirus
Virus
13.1712387

Kaspersky
Virus.Win32.Virut
14.0.0.-1311

McAfee
W32/Virut.n.gen
5600.6095

Microsoft Security Essentials
Virus:Win32/Virut.BM
1.10600

MicroWorld eScan
Win32.Tyhos.B
18.0.0.222

NANO AntiVirus
Virus.Win32.Virut.ce-based.hznt
0.28.0.60253

Norman
Tyhos.A
11.20170315

nProtect
Win32.Tyhos.B
14.06.13.01

Panda Antivirus
W32/Sality.AO
17.03.15.04

Qihoo 360 Security
Win32/Virus.14e
1.0.0.1015

Quick Heal
W32.Virut.G
3.17.14.00

Rising Antivirus
PE:Malware.FakeFolder@CV!1.6AA9
23.00.65.17313

Sophos
W32/Scribble-B
4.98

Total Defense
Win32/Virut.17408
37.0.10996

Trend Micro House Call
PE_VIRUX.GEN-1
7.2.74

Trend Micro
PE_VIRUX.GEN-1
10.465.15

Vba32 AntiVirus
Virus.Virut.06
3.12.26.0

VIPRE Antivirus
Virus.Win32.Virut.ce
30254

ViRobot
Win32.Virut.AM
2011.4.7.4223

Zillya! Antivirus
Trojan.Scar.Win32.44703
2.0.0.1822

File size:
176.5 KB (180,736 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Windows\System32\1802395716\lsass.exe

File PE Metadata
OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Entry address:
0x2A12C

Entry point:
E8, 06, 00, 00, 00, F6, D1, F6, D1, 8A, C0, 60, 20, FD, 84, C0, 8B, 6C, 24, 20, 8B, 5C, 24, 24, E9, 74, BF, FF, FF, 90, FF, D6, 80, E2, 41, F6, D1, 10, DE, 3B, 04, 24, FC, 0F, 84, ED, FF, FF, FF, E9, 78, FE, FF, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
3.2263

Code size:
3 KB (3,072 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
avpupdt

Command:
C:\Windows\System32\1802395716\avgupdt.exe


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