3333-2092_speedchecker.exe

The application 3333-2092_speedchecker.exe 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 NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. This is part of the Revizer line of web browser extensions that inject 3rd-party advertisements in the user's web browser as well as setup a proxy server for the browser in order to track behaviors and display context based-ads from various partners (mostly adware).
Description:
Just For Windows

Version:
1.187.0.1

MD5:
cd3d30f8c41f0eb26875af02641c6c87

SHA-1:
ed11813da11dd460ddfa4fd1fd6d438051aec446

SHA-256:
2463ec6f0c386b75396c28d84a538461aca9d065748ad8d9f67efb8ba995d36d

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:
5/18/2024 7:20:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Revizer.Installer (M)
16.2.1.1

File size:
4.7 MB (4,929,023 bytes)

Copyright:
Copyright (c) 2014

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\3333-2092_speedchecker.exe

File PE Metadata
Compilation timestamp:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:hlAiM3hOFatyFOh4kfY5fsozhPc73lzIVovH/pEWI3cEAhIW:bkREatyFOWkwZsozh0Vz2ovfpEwZhIW

Entry address:
0x39E3

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, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file 3333-2092_speedchecker.exe has been seen being distributed by the following URL.

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