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downloadfilesetup_58nnw.exe

ROSA LTD

The application downloadfilesetup_58nnw.exe by ROSA has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from up1.nhksoftware.net.
Publisher:
Rosa Digital Software  (signed by ROSA LTD)

Description:
installer.exe

Version:
2.1.3.5

MD5:
bb797fb7073dfef54206c5da1d96d1a1

SHA-1:
dffd2ec844c1a34fe5dff3fa4cdc0bbdf70507f8

SHA-256:
669c7ffeb622186e0b2380d945a8faa079f3f7c7b5361cc01f77c250368f9d4c

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:
12/28/2024 10:58:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ROSA.Installer (M)
16.3.22.8

File size:
2.1 MB (2,183,168 bytes)

Product version:
1.0.0.0

Copyright:
Copyright 2015 Rosa Digital Distribute Software. All rights reserved.

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\downloadfilesetup_58nnw.exe

Digital Signature
Signed by:
ROSA LTD

Authority:
COMODO CA Limited

Valid from:
9/26/2014 9:00:00 AM

Valid to:
9/27/2015 8:59:59 AM

Subject:
CN=ROSA LTD, O=ROSA LTD, STREET=d. Nikulino, L=Moskovskaya obl, S=Kashirskiy rayon, PostalCode=142947, C=RU

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

Serial number:
40D688E49E139BC003BC9099C5B15BCA

File PE Metadata
Compilation timestamp:
10/13/2014 9:46:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:NN/wqMwZqMt8Z5V44fppTlfPtxLOZUX8Xfs:kaZqqKVRjf1xKZvU

Entry address:
0x1E174

Entry point:
55, 89, E5, 81, EC, 44, 01, 00, 00, 02, 3D, AC, 1E, 40, 00, 8D, 35, E6, 15, 00, 00, 89, D9, 68, 16, DE, 40, 00, E8, 75, 83, 00, 00, 83, EC, 24, 53, FF, 76, 04, 50, E8, F3, A2, FF, FF, 8B, F8, FF, 35, 14, 81, 43, 00, E8, 29, E0, FE, FF, 89, 30, E8, 25, 7A, 00, 00, 83, C4, 08, 0F, B6, C8, 51, FF, 15, 24, 40, 43, 00, EB, DF, F6, 41, 24, 7F, 75, 1E, 83, 0E, FF, E8, 8F, 3B, FF, FF, FF, 76, 38, E8, 34, 9D, FF, FF, 59, F6, 05, FC, 82, 43, 00, 02, 0F, 84, E5, FF, FF, FF, 8B, 85, 34, E5, FF, FF, 89, 8D, 40, E5, FF...
 
[+]

Entropy:
6.7995

Code size:
204 KB (208,896 bytes)

The file downloadfilesetup_58nnw.exe has been seen being distributed by the following URL.

http://up1.nhksoftware.net/wdm/.../?carrier_cmd_uri=&referral=t4b67.0.0.torrent.1610b334cdb3516&file_name=DownloadFileSetup

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