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portmon.exe

5053_cmi_mystartsearch

Yuxin WANG

The file portmon.exe by Yuxin WANG has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Portmon/EE  (signed by Yuxin WANG)

Product:
5053_cmi_mystartsearch

Description:
Portmon/EE

Version:
7.0.1.13

MD5:
2ef4ce507b11b1ec725e21f2019b5bfb

SHA-1:
579c2719773ff7e32884bf4089d898684804b135

SHA-256:
bc54d58fb54337f28c7b9bc9e0ab3d25508a49e0ec2b89832889f6654544ad56

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:
11/23/2024 10:42:24 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.YuxinWANG (M)
15.11.10.11

File size:
310.2 KB (317,688 bytes)

Product version:
7.0.1.13

Copyright:
Portmon/EE

Original file name:
portmon.exe

Language:
Ingilizce (Birlesik Krallik)

Common path:
C:\users\{user}\appdata\local\temp\nsr2c13.tmp

Digital Signature
Signed by:
Yuxin WANG

Authority:
thawte, Inc.

Valid from:
10/30/2015 2:00:00 AM

Valid to:
8/13/2017 2:59:59 AM

Subject:
CN=Yuxin WANG, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
76147EB7EE811E36228E3705C93DD6E5

File PE Metadata
Compilation timestamp:
9/9/2015 6:52:18 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:ckmdA5Mu/y0+DC9yHZLC3Nd+WJD19LSpUXv/x6Gaw2xTV+1WrrglVZxraAvDW6SP:cPdsMWB+eWqNBJSS3z92xTV4VfNS6W

Entry address:
0x17AC6

Entry point:
E8, 70, BE, 00, 00, E9, 7F, FE, FF, FF, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, 4C, 3D, 44, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, 50, E8, 43, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, 4C, 3D, 44, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00, 00, F7, C6, 03, 00, 00, 00...
 
[+]

Code size:
191.5 KB (196,096 bytes)

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

http://d2drfrdurj6mvo.cloudfront.net/.../cmi_mystartsearch.exe

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