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vroot.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 vroot.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.
Publisher:
VJLHS  (signed by otOpIa Soft)

Product:
VJLHS

Version:
8144.15527.830.3947

MD5:
3c8fe32971110b1d59703df8e21a69a1

SHA-1:
9853e1686f361a399ccafb20ec75336094d9a146

SHA-256:
4a779a95c5a3e6f1455b17b542f5e1a4342cd2d1d60d5bdf66f8ae70e8104cec

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/25/2024 6:45:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.otOpIaSo.Bundler (M)
16.6.24.0

File size:
743.7 KB (761,576 bytes)

Product version:
8144.15527.830.3947

Copyright:
VJLHS

Trademarks:
VJLHS

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
otOpIa Soft

Authority:
thawte, Inc.

Valid from:
5/25/2015 7:00:00 PM

Valid to:
12/17/2015 6:59:59 PM

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:
1BE027B843E848104AAC09658A6D1CA0

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:+ovGDHCMk9KyGxnRKFoyHPhAVqjQ+/JIbyrficX5f3IzEC+aYvWLfc8vy4hh:+GmHCdwy+RKxPhy4/IeeMRIzEC+bOo85

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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