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icreinstall_as_ava_downloader.exe

AsiaSoft Online Pte Ltd

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_as_ava_downloader.exe by AsiaSoft Online Pte has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
AsiaSoft Online Pte Ltd  (signed and verified)

MD5:
663ddb419fe4b261298f214502c137ec

SHA-1:
6b872e8b89e2c7c2499f7116cf75379247bfd703

SHA-256:
169a06b147994d377ef00abb4da4ff66ed149ae93c00986605661434b22500d2

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 10:14:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.AsiaSoftOnlinePte.Bundler (M)
16.2.12.18

File size:
589.1 KB (603,256 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_as_ava_downloader.exe

Digital Signature
Signed by:
AsiaSoft Online Pte Ltd

Authority:
GlobalSign nv-sa

Valid from:
7/12/2013 10:35:33 AM

Valid to:
7/23/2014 7:44:54 PM

Subject:
E=ensemble@asiasoftsea.net, CN=AsiaSoft Online Pte Ltd, O=AsiaSoft Online Pte Ltd, L=Singapore, S=Singapore, C=SG

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121C438ACB1F53882D35F1753F132C6257A

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:wQFauFlAgl4u4JQCOXgd2otLEXBTD9k3P2xo7r2ZV5UvN/XzggFbyLT:wQFBFlsnSa2oCXBTD9ebqZI9cg

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, BF, A9, FF, FF, E8, 5E, 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:
7.7295

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

Code size:
37 KB (37,888 bytes)

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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