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swoff351.exe

ProInstall Applications SRL

The application swoff351.exe by ProInstall Applications SRL 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download.cnet.com.
Publisher:
ProInstall Applications SRL  (signed and verified)

MD5:
4a1b0d35705247325f0375e24c8ccbed

SHA-1:
dddd323813be62c3c325bca158a4b1096b6127e1

SHA-256:
46a93be03d140488887abf77ed6819cdb33cbb90d52a822965c4f770afb79e8e

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.

Analysis date:
4/25/2024 10:58:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ProInstall (M)
16.8.9.18

File size:
228 KB (233,512 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\swoff351.exe

Digital Signature
Signed by:
ProInstall Applications SRL

Authority:
COMODO CA Limited

Valid from:
12/30/2014 8:00:00 AM

Valid to:
12/31/2015 7:59:59 AM

Subject:
CN=ProInstall Applications SRL, OU=iops, O=ProInstall Applications SRL, STREET="Bd Decebal 25-29, Et 9", STREET=Spatiul 9.1 Camera A, L=Bucuresti, S=Sector 3, PostalCode=030964, C=RO

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

Serial number:
00DEEB02D2E0E21E746A201B3C8B6EBC7A

File PE Metadata
Compilation timestamp:
12/6/2009 6:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:iQIURTXJqORfcc4VQgH1wOzUUUcI/CUAJkAoG0z/ZMh0FyzA5Or:is4ORt4nH1zf5VUAmASzyPh

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:
7.0638

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file swoff351.exe has been seen being distributed by the following URL.

http://download.cnet.com/.../?appid=10056977

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