rlvknlg.exe

Relevant-Knowledge

TMRG Inc.

The component is part of the TMRG platform which will track various behaviors of web browsing habits including tracking sites and domains visited as well as ads clicked. The application rlvknlg.exe by TMRG 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. While running, it connects to the Internet address wwwc.ria.securestudies.com on port 80 using the HTTP protocol.
Publisher:
TMRG, Inc.  (signed by TMRG Inc.)

Product:
Relevant-Knowledge

Version:
1.3.337.388 (Build 337.388)

MD5:
5caf44a61af9824a378bb9cbbc38324b

SHA-1:
0c1b6ce8c60b1388737d71beaab4519c1689d393

SHA-256:
d44c7f7bfa9de510f7e34bd0b3d79aba516c9ea635f096363912f71d50a6f927

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:
8/22/2018 12:03:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
16.10.13.22

File size:
3.6 MB (3,723,168 bytes)

Product version:
1.3.337.388 (Build 337.388)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
1/17/2016 6:00:00 PM

Valid to:
2/16/2018 5:59:59 PM

Subject:
CN=TMRG Inc., O=TMRG Inc., L=Reston, S=Virginia, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7E36C4BE2CEB69DF7BCEDB3B868E9EF9

File PE Metadata
Compilation timestamp:
9/23/2016 3:39:39 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:IarvZEynaw1+siefttL3Ft7YaLW+hSGZvBjsFxGIIOPo3Azbm2x2:Qw1+siefttL3zn4xtjzSa2

Entry address:
0x242A1B

Entry point:
E8, ED, 53, 01, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, 97, 2A, 64, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, AD, 0D, 04, 00, 8B, 45, 0C, 8B...
 
[+]

Entropy:
6.6121

Code size:
2.7 MB (2,805,760 bytes)

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

TCP (HTTP):
Connects to oss-ad-iad.securestudies.com  (165.193.78.187:80)

TCP (HTTP):
Connects to wwwc.ia8.securestudies.com  (205.218.48.168:80)

TCP (HTTP):
Connects to wwwc.ri3.securestudies.com  (4.16.74.136:80)

TCP (HTTP):
Connects to wwwc.ia7.securestudies.com  (205.217.176.8:80)

TCP (HTTP):
Connects to wwwc.ia6.securestudies.com  (205.217.167.8:80)

TCP (HTTP):
Connects to wwwc.ia5.securestudies.com  (165.193.93.104:80)

TCP (HTTP):
Connects to post.securestudies.com  (165.193.78.234:80)

TCP (HTTP):
Connects to wwwc.ri7.securestudies.com  (4.16.75.8:80)

TCP (HTTP):
Connects to wwwc.ri5.securestudies.com  (4.16.74.200:80)

TCP (HTTP):
Connects to wwwc.ia9.securestudies.com  (205.218.48.200:80)

TCP (HTTP):
Connects to wwwc.ia3.securestudies.com  (66.119.33.138:80)

TCP (HTTP):
Connects to wwwc.ia2.securestudies.com  (66.119.34.42:80)

TCP (HTTP):
Connects to wwwc.ri9.securestudies.com  (4.16.75.72:80)

TCP (HTTP):
Connects to wwwc.ria.securestudies.com  (184.80.40.40:80)

TCP (HTTP):
Connects to wwwc.ri8.securestudies.com  (4.16.75.40:80)

TCP (HTTP):
Connects to wwwc.ri6.securestudies.com  (4.16.74.232:80)

TCP (HTTP):
Connects to wwwc.ri4.securestudies.com  (4.16.74.168:80)

TCP (HTTP):
Connects to wwwc.ri2.securestudies.com  (4.16.74.104:80)

TCP (HTTP):
Connects to wwwc.ia1.securestudies.com  (165.193.73.40:80)

TCP (HTTP):
Connects to wwwc.ri1.securestudies.com  (4.16.74.72:80)

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