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speedanalysis02.exe

The application speedanalysis02.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from dl.addonupdater.com.
MD5:
2bf68054b40f0793e6d7817c01644165

SHA-1:
cbbdfc26d86bee3b691fd192edcdf060b2db8252

SHA-256:
d5fc3e60a8084b77b96857ffaa24ca6b136af70d1aa516fa541e3f52477b5ddd

Scanner detections:
7 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 10:18:24 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Besttoolbars
4.0.3.14715

ESET NOD32
Win32/Toolbar.Besttoolbars (variant)
8.9820

K7 AntiVirus
Trojan
13.177.12128

Malwarebytes
PUP.Optional.BesttoolBars
v2014.07.15.04

McAfee
Artemis!2BF68054B40F
5600.7069

Trend Micro House Call
TROJ_GEN.F47V0205
7.2.196

VIPRE Antivirus
Besttoolbars
29378

File size:
1.2 MB (1,269,764 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\low\content.ie5\{random}\speedanalysis02.exe

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Jmgcqu2mGCNJmyfeEzmIOk2O1O+kEdPCnFPC9Ak4tA3L7cz9b4:rcTGFyf3qIOk2kOpo+FPhkMAb7c2

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file speedanalysis02.exe has been seen being distributed by the following URL.

https://dl.addonupdater.com/revjs/.../speedanalysis02.exe

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