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Avast.exe

Avast

Download Manager

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Avast.exe by Download Manager has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from www.installer-assist.com.
Publisher:
DownloadManagercerts  (signed by Download Manager)

Product:
Avast

Version:
2.0.59.0

MD5:
b43c43dd42c6493223daa6c00c47ef72

SHA-1:
fac35456789cd269e91d2e1cc260aac2ffe976d2

SHA-256:
bf2e58375471d2999f6c14a973bf3dbc2e1f83a9d699ba7e7d44b5a2476ea52f

Scanner detections:
1 / 68

Status:
Adware

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.

Analysis date:
12/26/2024 8:07:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download (M)
16.6.13.8

File size:
2.6 MB (2,741,080 bytes)

Product version:
2.0.59.0

Copyright:
(c) DownloadManagercerts

Original file name:
Avast.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Download Manager

Authority:
VeriSign, Inc.

Valid from:
6/9/2014 7:00:00 PM

Valid to:
7/11/2017 6:59:59 PM

Subject:
CN=Download Manager, O=Download Manager, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6771A39C2739AF7082C1C8D8234BB168

File PE Metadata
Compilation timestamp:
8/22/2014 1:57:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:nwQSxcNgS29CJiWNoZsXfitgmqYlGhHdAfwb6TqyJQV+0XMiEN/xnjMRnr4jOnHv:nwBvD9CJiWgsPdmllGhHCfwb6T2MVN/c

Entry address:
0x18ACB0

Entry point:
E8, B3, 99, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, B0, C0, 63, 00, 75, 02, F3, C3, E9, 3A, 9A, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 14, 56, 85, C0, 74, 41, 83, 7D, 08, 00, 75, 13, E8, 82, 2E, 00, 00, 6A, 16, 5E, 89, 30, E8, A8, 9C, 00, 00, 8B, C6, EB, 2A, 83, 7D, 10, 00, 74, E7, 39, 45, 0C, 73, 0E, E8, 64, 2E, 00, 00, 6A, 22, 59, 89, 08, 8B, F1, EB, DE, 50, FF, 75, 10, FF, 75, 08, E8, 6C, 1E, 00, 00, 83, C4, 0C, 33, C0, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 4D, 10, 85, C9, 74, 1B, 8B, 45, 0C, 0F, B7, D0, 8B, C2...
 
[+]

Entropy:
6.6194

Code size:
1.8 MB (1,869,824 bytes)

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

http://www.installer-assist.com/.../avast_free.exe

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