update_google_chrome.exe

Otopia SOFT

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application update_google_chrome.exe by Otopia SOFT 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. With this installer, users are expecting to download Google's Chrome web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Otopia SOFT  (signed and verified)

MD5:
e745efdb320b922efc7dd5a5fe9793ba

SHA-1:
d4a6ea4a5351681214641027e1bd179a1e4ce6df

SHA-256:
1876e888a62fcc920dc34d3bbd1f39950a332d448b478bd801224fc9444ebf13

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:
12/28/2024 9:51:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.OtopiaSO.Bundler (M)
16.4.26.10

File size:
572.4 KB (586,184 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
1/22/2015 1:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=Otopia SOFT, O=Otopia SOFT, L=Dublin, S=Dublin, C=IE

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

Serial number:
6713575F4185F7E18FB9C66A2D66B488

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:vABqS53lofze7LC2jBXjD0jCY0C6Hi9ZqBKrgGdHf6L:v2ofz2CAjen0PAZfJfU

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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