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optimizer.exe

Windows Optimizer

Hefei Hejunzhengce Info Tech Co., Ltd.

The executable optimizer.exe, “Optimizer your windows system.” has been detected as malware by 6 anti-virus scanners. It runs as a windows Service named “Windows Optimizer Services (G1)”. While running, it connects to the Internet address 8a.eb.6132.ip4.static.sl-reverse.com on port 80 using the HTTP protocol.
Publisher:
Microsoft  (signed by Hefei Hejunzhengce Info Tech Co., Ltd.)

Product:
Windows Optimizer

Description:
Optimizer your windows system.

Version:
1.7.7.0

MD5:
5989ab9cc848c354f699e13e36e24079

SHA-1:
292640f42fe3f4f67024219481f8f24a05c567e2

SHA-256:
ad4d10131bccdb586330a3867d73be929f56062e931bfeec71a8dcb6a8e92f45

Scanner detections:
6 / 68

Status:
Malware

Analysis date:
11/16/2024 3:23:25 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.1Q1@rSTd0Hni
701

Emsisoft Anti-Malware
Gen:Trojan.Heur.1Q1@rSTd0Hni
8.15.03.05.01

F-Prot
W32/Threat-SysVenFak-based!Maxi
v6.4.7.1.166

F-Secure
Gen:Trojan.Heur.1Q1@rSTd0Hni
11.2015-05-03_5

G Data
Gen:Trojan.Heur.1Q1@rSTd0Hni
15.3.25

MicroWorld eScan
Gen:Trojan.Heur.1Q1@rSTd0Hni
16.0.0.192

File size:
2.8 MB (2,969,176 bytes)

Product version:
1.7.7.0

Copyright:
Microsoft

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\windows-optimizer\g1\optimizer.exe

Digital Signature
Signed by:
Hefei Hejunzhengce Info Tech Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
2/5/2015 3:45:44 AM

Valid to:
2/5/2017 3:45:44 AM

Subject:
CN="Hefei Hejunzhengce Info Tech Co., Ltd.", O="Hefei Hejunzhengce Info Tech Co., Ltd.", L=Hefei, S=Anhui, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
618EE1D5BEA19E0C5370DB9A476CAE3D

File PE Metadata
Compilation timestamp:
3/4/2015 9:42:13 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:RjsKnfOv1SJSjpzQkkvSw5dVyBDTzQZaFFV3sO4oX3:Rj5ncjikCnZQAc3

Entry address:
0x22972C

Entry point:
55, 8B, EC, 83, C4, F0, 53, B8, 58, D2, 61, 00, E8, 27, 29, DE, FF, A1, 14, 1B, 63, 00, 8B, 00, 80, 78, 38, 00, 74, 10, A1, 14, 1B, 63, 00, 8B, 00, E8, 6A, 57, EE, FF, 84, C0, 74, 0C, A1, 14, 1B, 63, 00, 8B, 00, 8B, 10, FF, 52, 44, 8B, 0D, 84, 19, 63, 00, A1, 14, 1B, 63, 00, 8B, 00, 8B, 15, 28, CD, 61, 00, 8B, 18, FF, 53, 40, A1, 14, 1B, 63, 00, 8B, 00, 8B, 10, FF, 52, 48, 5B, E8, 28, DF, DD, 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...
 
[+]

Entropy:
6.5157

Developed / compiled with:
Microsoft Visual C++

Code size:
2.2 MB (2,260,992 bytes)

Service
Display name:
Windows Optimizer Services (G1)

Service name:
WindowsOptimizer_G1

Description:
Optimize Windows system,clean up temporary folders and files,remove useless information,strongly recommend run it.

Type:
Win32OwnProcess, InteractiveProcess


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to 8a.eb.6132.ip4.static.sl-reverse.com  (50.97.235.138:80)

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