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opera.exe

opera

Download Assistant

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 opera.exe by Download Assistant 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 AirInstaller Download Manager installer. The file has been seen being downloaded from download.repodepo5.com.
Publisher:
Download Assistant  (signed and verified)

Product:
opera

Version:
3.0.0.134

MD5:
eefd6f1811e6b56a42cf6c1d955e563d

SHA-1:
a8f84a85633aeea71bac087fcda031720498b839

SHA-256:
b953964be2b79d4d3ee41ad5449887492fa43ea3eb6b09a9b6b4187dd9eb0c86

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 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:
11/27/2024 7:47:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.3.19.14

File size:
1.1 MB (1,130,888 bytes)

Product version:
3.0.0.134

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\opera.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
12/2/2015 12:00:00 AM

Valid to:
3/2/2017 11:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
04A6D3440F1D06EE9CA4CE2B30C76606

File PE Metadata
Compilation timestamp:
1/30/2013 2:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ixG8Wxv9B2cFceekMSZEmikRree09Z2fzXYpYqe9QMeJ+IC/zFQY:Hb3Geeyx+kDiDd+ICmY

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://download.repodepo5.com/v2/click/70b95fb0/?d=http://toolboox.com/bin/opera.exe&key=7a302747da1ea691a13d77658d7f6265819087468b65558b994e2e6c59347a9f&sid=bingoperaopera&uid=8757&affiliate_image=http://download-405.com/presentation/assets/Static205/.../icon.png&product_image=http://download-405.com/presentation/assets/Static205/.../installer.png&n=opera&filename=opera

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