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win-install_adobe-flash-player-11_1.0.exe

Cyberservices B.V.

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application win-install_adobe-flash-player-11_1.0.exe by Cyberservices B.V 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. The file has been seen being downloaded from downloadguidefactory.blob.core.windows.net.
Publisher:
Cyberservices B.V.  (signed and verified)

MD5:
419b156b6f33c2391ddf5b61e7c19a70

SHA-1:
a2a8088b9cb2e965cb8687e86e5e4e75682377b3

SHA-256:
5cc56f09464b3e90b9f8b80bf3e61b18135c114babd010d3b8b6db3a84952a1b

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:
4/19/2024 5:37:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Cyberser.Bundler (M)
16.5.8.11

File size:
447.5 KB (458,272 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
English (United States)

Common path:
C:\users\{user}\downloads\win-install_adobe-flash-player-11_1.0.exe

Digital Signature
Signed by:
Cyberservices B.V.

Authority:
COMODO CA Limited

Valid from:
2/9/2014 9:00:00 PM

Valid to:
2/10/2016 9:59:59 PM

Subject:
CN=Cyberservices B.V., O=Cyberservices B.V., STREET=Keizersgracht 62-64 NL, L=Amsterdam, S=Nordholland, PostalCode=1015CS, C=NL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
797CAC4561E8B8B21910CD01E0002669

File PE Metadata
Compilation timestamp:
3/28/2014 6:11:58 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:/SJKsfw2HqmALCoRZlflvMak16CtOle+syF6GH8VPflPrGGu8V5oGl+T4reQu:/mQmcXtlvQFInuVX1TuGEELu

Entry address:
0x1A3C7

Entry point:
E8, AD, 48, 00, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, CC, 7D, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40...
 
[+]

Code size:
147.5 KB (151,040 bytes)

The file win-install_adobe-flash-player-11_1.0.exe has been seen being distributed by the following URL.

https://downloadguidefactory.blob.core.windows.net/downloadguides/.../win-install_adobe-flash-player-11_1.0.exe

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