installer_adobe_flash_player_english.exe

Sanflex

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_adobe_flash_player_english.exe by Sanflex has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. The file has been seen being downloaded from clkmon.com and multiple other hosts.
Publisher:
Sanflex  (signed and verified)

MD5:
b4c52e5a26ca4a6b30aea01f854b83b6

SHA-1:
315922c4d7533698a3fb6698cb9637227f18eae6

SHA-256:
cab66e3481cbca3eb4ef9f3333a83bbd47829759ef28a905a5c47185ee8ca2d1

Scanner detections:
20 / 68

Status:
Adware

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:
11/5/2024 6:51:58 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2014.11.27

Avira AntiVirus
ADWARE/Adware.Gen
7.11.189.0

AVG
Generic
2015.0.3278

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/21511

Dr.Web
Adware.Downware.2220
9.0.1.0330

ESET NOD32
Win32/DownloadAdmin (variant)
8.10785

Fortinet FortiGate
Riskware/DownloadAdmin
11/26/2014

F-Secure
Adware:W32/WebInstallBundle
11.2014-26-11_4

G Data
Win32.Application.DownloadAdmin
14.11.24

IKARUS anti.virus
Trojan.Dropper
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.186.14150

Malwarebytes
PUP.Optional.DownloadAdmin
v2014.11.26.04

McAfee
Artemis!B4C52E5A26CA
5600.6934

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.28.6.63726

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Tightrope.Bundler
15.5.3.0

Sophos
Generic PUA DB
4.98

Trend Micro House Call
Suspicious_GEN.F47V1126
7.2.330

VIPRE Antivirus
Trojan.Win32.Generic
35148

File size:
823.3 KB (843,088 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 4:30:00 AM

Valid to:
7/22/2017 4:29:59 AM

Subject:
CN=Sanflex, O=Sanflex, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
42D7699269B5BB95341F5DA022F6E57D

File PE Metadata
Compilation timestamp:
7/15/2014 8:59:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:7xpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SUA:Vp9sVuaVdvgVbmgGDijyikg5p

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4909

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file installer_adobe_flash_player_english.exe has been seen being distributed by the following 27 URLs.

http://clkmon.com/.../sa?cid=NOVIRUSES_15413_0&pid=&q=film, filmovi, filmski, video, movie, movies, kino, bioskop, online bioskop. onl

http://clkmon.com/.../sa?cid=11021-200212810022000000&pid=11021&q=sbobetonline.com, sbobetonline, Sports Betting, and Isle Of Man

http://clkrev.com/.../banners?tid=DP7B&action=r

http://clkmon.com/.../sa?cid=11021-200118800815000000&pid=11021&q=Instagram

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