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avast-free-antivirus.exe

File

Best iNsTAll TlL

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application avast-free-antivirus.exe by Best iNsTAll TlL 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 OutBrowse Revenyou installer. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Best iNsTAll TlL  (signed and verified)

Product:
File

Version:
1.9.3.0

MD5:
1adbe6e10e5098004b4ffa35f4a41e34

SHA-1:
e35e242095f670cd8c88f67a55198ccf22acebc8

SHA-256:
bc0556cf0d2db7ed218f1c2d99c4f814d261dba66fadf15fcc87f0ad8e0eded6

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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/26/2024 12:00:58 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BestiNsTAllTlL (M)
16.2.3.0

File size:
1.1 MB (1,101,776 bytes)

Product version:
1.9.3.0

Copyright:
File

Original file name:
Ionic.Zip-2015Apr17-054249-5608a4c1-458e-47aa-85ad-d2da50c4582a.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
Language Neutral

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

Digital Signature
Signed by:
Best iNsTAll TlL

Authority:
thawte, Inc.

Valid from:
4/16/2015 2:00:00 AM

Valid to:
1/28/2016 12:59:59 AM

Subject:
CN=Best iNsTAll TlL, O=Best iNsTAll TlL, L=Dublin, S=Dublin, C=IE

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

Serial number:
36C1CFA7EEBE392359D0C1578BAEFAC7

File PE Metadata
Compilation timestamp:
4/17/2015 7:42:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:kMiy4IadS4ms5I6e66fEheKh/sTm/rIGGeL/fQEnXpV32zhV3wG0HffWdTtvJXao:kbSaE4mvt/yjMGGYo+pVmzhJb0nWd5x

Entry address:
0x75F3E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
464 KB (475,136 bytes)

The file avast-free-antivirus.exe has been seen being distributed by the following URL.

http://get.0125j.info/.../1429249365/1429249365?34255115608ZGFyMDA bzgrMCg2MiRfODAzLDE2Hmk5Ly4wNjYhaD0pI2xwal90Ym9oYWViOVVkaUhtbm5hZGlAbXJpa25cXk1Za11lYG0lZHNfdWppOWZvb28kLlslKmMhMGFhaGtgbS5Zc11xbylibmgfMl5mXXRuNHckLWBhbl5vclphcWRgWWFmcWV0ZG10clptZWxybF1qaWtoaV8uXXVhJF90bWBoY2NmXmljOFx1YG5uISNDbmNgJkBtb2N2YW9xcSFhaGtgaGFlYjlfcVxycyhgcl1iKV9pb2h1ZGx1ayNgLzgsJWheaW41LyJ4ZGs8MQ

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