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installer_avast.exe

Goluba

CPC Net adVertising llc

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application installer_avast.exe, “Goluba Setup ” by CPC Net adVertising llc has been detected as a potentially unwanted program 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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
CPC Net adVertising llc  (signed and verified)

Product:
Goluba

Description:
Goluba Setup

Version:
2.0.1.1

MD5:
e08e7c6219feb1517dfd81706456e30b

SHA-1:
478cca7cbb47aceeba4f4971000bd0b26287cb79

SHA-256:
adc57ff20c16368cc8013f6a0e5466009c46eb0138def53bbbe7f1a23ee68921

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/28/2024 8:40:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.9.1

File size:
944.5 KB (967,208 bytes)

Product version:
3.2.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
CPC Net adVertising llc

Authority:
thawte, Inc.

Valid from:
4/14/2016 2:00:00 AM

Valid to:
4/15/2017 1:59:59 AM

Subject:
CN=CPC Net adVertising llc, OU=IT, O=CPC Net adVertising llc, L=Wilmington, S=Delaware, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3A1AFB5694D65DFB7794393E557E5340

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

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.tourapplicationslaboratory.com/WVl6OTRQVkpKSlRKQ1dVeGFUM2RGUWlVeVFtSnVXa1J4ZVZOUlQzZFljbXhWUkdKNVJTVXlSbU0zZUZodlVVRjVlR1JXWkc4bE0wUW1ZejFKYkNVeVFsRmxTbVZyTjB0UmVHRkVOSGhXZDNZMmMyNXRjMFJHVFdGTlYydEZSMndsTWtKbWNYaHBPVlJzZVZnM09FVWxNa1p0UlVKc1lrWk1ZVUpMVUc0MEpUSkdSVUZHZEhNMmVYY3lZM2RHV21jNWRFZGtWMEpyVW1wR1QxTjBSWFYwUzBGYVJHTldSbTFxWVRsRVpXWlBWelZQYVVoRVFtRndlVGxTYTB4M1drMW1UazFOSm1aaGJHeGlZV05yWDNWeWJEMUdZV3hzWW1GamF5dFZVa3dtWkc5M2JteHZZV1JCY3oxcGJuTjBZV3hzWlhKZllYWmhjM1F1WlhobA==

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