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microsoft_security_essentials_ar.exe

The application microsoft_security_essentials_ar.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from safe.to.download.downloadastro.com.
MD5:
82fecc7351dc6917a43c6503c1f2d64a

SHA-1:
9f3e729c471dcbdb6c396800e50fc10f9839ef15

SHA-256:
660898393fe7c79fe6b4c3cb7c4c791f5cf0ff4474b9d10e00e6bf5757e5f218

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/25/2024 3:48:37 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.208.206

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.NE potentially unwanted application
7.0.302.0

File size:
66.4 KB (67,969 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\microsoft_security_essentials_ar.exe

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
1536:Q3qRLK2Q0KmsGp/T8ghndPxMXbWCcclhYb:hLPTMGRT8ond5MXbrl+

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
6.6886

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://safe.to.download.downloadastro.com/microsoft_security_essentials_ar.exe

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