sweetpdf_tsa2k8u6x.exe

Perion Network Ltd.

The application sweetpdf_tsa2k8u6x.exe by Perion Network has been detected as a potentially unwanted program 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 Perion Download Manager installer. The file has been seen being downloaded from 1d1eb7c2bcfe4220ac93a3b32c144129.download.dmccint.com. While running, it connects to the Internet address ude.databssint.com on port 80 using the HTTP protocol.
Publisher:
Perion Network Ltd.  (signed and verified)

MD5:
821d707073571adba3f4bb2101da4156

SHA-1:
8a2b8085718f77672da26ded399ae770adb0f73a

SHA-256:
4770a386f206eca6998b83d73275b01444f7be0c04b0d070c61fe2e9d9a343f7

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
8/20/2018 12:12:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Perion.Bundler (M)
16.7.24.2

File size:
624 KB (638,944 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Perion Download Manager (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\sweetpdf_tsa2k8u6x.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
4/24/2012 1:00:00 AM

Valid to:
4/24/2015 12:59:59 AM

Subject:
CN=Perion Network Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Perion Network Ltd., L=Tel Aviv, S=Tel Aviv, C=IL

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:
45F87694FE8D1984719796AEC8031DF4

File PE Metadata
Compilation timestamp:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:vEL0FWYqHpXwgtIvfZYmVawJa+t4MdqiqJLqzhwwX5trUfI:v0rVHpXwtvfZpVa8Tt4sPSqGwJtIA

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9526

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file sweetpdf_tsa2k8u6x.exe has been seen being distributed by the following URL.

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ude.databssint.com  (107.22.223.150:80)

TCP (HTTP):
Connects to storage.stgbssint.com  (172.229.236.170:80)

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