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adobe_flash_player.exe

BeST ApP

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application adobe_flash_player.exe by BeST ApP 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from get.up1004.info.
Publisher:
JTIPR  (signed by BeST ApP)

Product:
JTIPR

Version:
3135.15914.881.6325

MD5:
47c9c31c3feb2a235650825cc37f725e

SHA-1:
986b5a8a954fb346048e9297a6843695a1c7f9f1

SHA-256:
d7ce063df82ca3a5e00d0275034c8a4e131bf4601afb76f799bb585fb0b60433

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:
11/16/2024 12:02:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BeSTApP.Bundler (M)
16.3.20.9

File size:
557.7 KB (571,048 bytes)

Product version:
3135.15914.881.6325

Copyright:
JTIPR

Trademarks:
JTIPR

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\adobe_flash_player.exe

Digital Signature
Signed by:
BeST ApP

Authority:
thawte, Inc.

Valid from:
6/29/2015 7:00:00 PM

Valid to:
12/17/2015 5:59:59 PM

Subject:
CN=BeST ApP, O=BeST ApP, L=Dublin, S=Dublin, C=IE

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

Serial number:
64E1250DF629BD3901AA90A77D70239E

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:sFJ0BtZ6xhJzEd22Je580fLMG8CnJ3uLvh+mg39627Wu4MMeN5sCK81Ia6xuUZE:ptPdbe5XAynJ3uLvd4B14MxN5nBHUZ

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)

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

http://get.up1004.info/.../1442262437/1442262437?50967907859YmVrLC02cDYqLTAsNR1eNik5LTAuHWc9KTIwKzIfZjgoIXBpaV1sY21mXGRgPTtpcGVsaFlfHC0wRFtnWGdeaiFbLD0nIEw0UTJIT09MOTBjbCpOK21DbWZMZHFqTWNPPV9EK3pNPF0kc19SPEBidytDUC1jREpAOkM2Vm9RTlYyOVpPWkMtUTJjWE5JMD5EV2ljPl40bmR0J0F3WE5qVnhhO2tuRkZWaGY7d1JiY0xsMGpCUmp6c1lJXUltZHRQRlZxYVooaVhpbCZeRGphVD5JOS8nS2xOTiotQD50UGAmTnk L1BFPllnPXFaeUFrZUxhSExOOmo4bGlRPTQ2ZmJpT1YxOktqQHQuYl9mRmBZUicxLTtCbyphMGcvXikuHV9xXHVrZDhfb3RnHyxYJSteIClhYWdqbGp0WmxkWi1mWy5sXDVeZSlqLi5YZ1pxb2dZcmopY2ZnHilmYmZua1xsY1lfY2FsYFpnZ2FwX2tWMSxXa2NwZ2BoJ1x4Xh5fcGlhZGNcZWFmXTg4X29ZXx4pMD9kXGpjJSkqSWNhcl1tHWFpY19nWG1eNVxbamJcWV9jYWxgWmdnYXBfax1pXGdpNC4wHWprYz0qHl5maT0o

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