flvplayer.exe

VASSANA KONGSOONGNERN

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application flvplayer.exe by VASSANA KONGSOONGNERN has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from s1freehdsportzappcom.maynemyltf.netdna-cdn.com and multiple other hosts.
Publisher:
VASSANA KONGSOONGNERN  (signed and verified)

MD5:
3efefcfdf54c5ae0e35d8d35781142a5

SHA-1:
242b69efb1e7e9dde738b5e724da4ea4cb1715f1

SHA-256:
cb7795a5727f01aa9f028bddbfe065ce8c89934d79cc84ff843e9f8037f3d20a

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
11/24/2024 8:20:16 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.196.126

AVG
Generic
2015.0.3256

Baidu Antivirus
Adware.NSIS.Yontoo
4.0.3.141218

Dr.Web
Adware.Downware.8319
9.0.1.0352

ESET NOD32
Win32/Adware.1ClickDownload.AJ
8.10894

K7 AntiVirus
Adware
13.188.14368

Kaspersky
not-a-virus:AdWare.NSIS.Yontoo
14.0.0.2775

McAfee
Artemis!3EFEFCFDF54C
5600.6912

NANO AntiVirus
Trojan.Nsis.Yotoon.deckrr
0.28.6.64267

Panda Antivirus
Generic Suspicious
14.12.18.10

Reason Heuristics
PUP.VASSANAKONGSOONGNERN.J
14.12.18.22

Sophos
CoolMirage
4.98

Trend Micro House Call
Suspicious_GEN.F47V1217
7.2.352

VIPRE Antivirus
CoolMirage Ltd
35820

File size:
389 KB (398,360 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\flvplayer.exe

Digital Signature
Authority:
Thawte, Inc.

Valid from:
10/6/2014 1:00:00 AM

Valid to:
10/7/2015 12:59:59 AM

Subject:
CN=VASSANA KONGSOONGNERN, OU=Individual Developer, O=No Organization Affiliation, L=Phuket, S=Phuket, C=TH

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
7E630B1125BFC2AAB3F8750B7348F18B

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:lsA2BFt524ocQILIJ49RAOGOoNx9a4RCrt/hjstYaTzMUxEGSmubSomo9CjpxadE:d27hQI77GfNxI4YrB16wUxEGHDiCd/

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8516

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file flvplayer.exe has been seen being distributed by the following 2 URLs.

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