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opera_ni_stable.exe

Opera

Software Association LLC

The application opera_ni_stable.exe by Software Association 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 NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from opera.joydownload.com.
Publisher:
Software Association LLC  (signed and verified)

Product:
Opera

Version:
1.0.0.0

MD5:
bb3125724bfc9f58142f06b654d1135a

SHA-1:
191d5cc2f2cb19121f7f6c167b66f242c68a39c9

SHA-256:
2ad1e7d30ea42303a8100568a4a26ce068391165f43aa18c36f26d1fc84839b6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
11/26/2024 1:29:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OpenCandy.Software.Installer (M)
16.6.21.1

File size:
418 KB (428,032 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Software Association LLC

Authority:
DigiCert Inc

Valid from:
1/13/2015 2:00:00 AM

Valid to:
1/21/2016 2:00:00 PM

Subject:
CN=Software Association LLC, O=Software Association LLC, L=Dnepropetrovsk, S=Dnipropetrovs'ka Oblast', C=UA

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E1FC80B1C57AD69AA6F8D65D1CF90CF

File PE Metadata
Compilation timestamp:
5/20/2013 2:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:AiuhCaflijsErCKF1cozHxD575e3/42AYh:cpflij9rvEozRD5Vqjh

Entry address:
0x331C

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8289

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

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

http://opera.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NTutClirNM7Y9uk153f8pmxgwJgEK031PuSgayb 0l8bOGCGCeilEac8gLNiztTCRB6avCX/BlSw4SXr1LKSvNKbm2dBs8Np3wBQXzWtCzd/hpxpq2mrNT3AL/8YmZW9YilSIOwgJFsFMKXlECMrasWNLB0onqPmECUmcZf5kuc0DmOo5gOM3KM9Tdf/.../44JDlzR0kLHmJ

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