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avast_free_avso.exe

The application avast_free_avso.exe has been detected as a potentially unwanted program by 7 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 www.softonic.fr.
MD5:
74dfc26048a6eb6f48ef4d91721ac6ee

SHA-1:
c39a0703efedeb4f0380455dccca7c4e78f5fbd2

SHA-256:
f70c5d06249f71fb94939f4b6575ee8b7fc666d3b5445049033296f84aa60b4a

Scanner detections:
7 / 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:
11/28/2024 4:19:50 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Installer-I [PUP]
2014.9-160210

Dr.Web
Adware.InstallCore.101
9.0.1.041

ESET NOD32
Win32/InstallCore.BL
10.8525

McAfee
Artemis!74DFC26048A6
5600.6493

Trend Micro House Call
TROJ_FAKEAV.BMC
7.2.41

Trend Micro
TROJ_FAKEAV.BMC
10.465.10

VIPRE Antivirus
InstallCore
19284

File size:
579.6 KB (593,464 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\avast_free_avso.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):
12288:I9yMJfshH0zKVFWmQRWMeS2+s3V7B7N4SOlDv0IuhBxn41DaDoiCu4GP8hW:I9yMJfsF0OvYeSTs3VB7N4Y/h4Ba0iVA

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

http://www.softonic.fr/sads?ev=c&directdownload=1&co=FR&sid=9cdd29ec4752ef26188718574872811e&upv=8cecdd5a0efc4f1e6829b8001088a307&z=results&sk=0&params=F24F8F4D368AFA5D32C8A90D9EFD1CBA486933FF1077EAADAF412736508669BF98B8EA6F0B867B109FBF9F226D78393FBD7ABE25B3E73AF6ADDA9385E076ADF2DC74675BF88543C035D16714B4684162023975EA46C5674A00438DC0B3E6969ED1C967E4B6137A2656A4FFAB7CD682E009A176364D2FA5817DA5C8C255284EBC&h=679914C38D16B19754CC9A28922FEE85B48D816F1057FD9108B4D2D4D016C5B7&f=18007&d=http://.../avast_free_av.exe

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